https://riddle10.com/ 2026-11-01 https://riddle10.com/roll 2026-11-01 https://riddle10.com/riddles 2026-11-01 https://riddle10.com/play https://riddle10.com/challenge https://riddle10.com/about https://riddle10.com/terms https://riddle10.com/privacy https://riddle10.com/play/blackout https://riddle10.com/play/echo https://riddle10.com/play/hidden-window https://riddle10.com/play/parallax https://riddle10.com/play/letter-gravity https://riddle10.com/play/mystery-room https://riddle10.com/play/word-scales https://riddle10.com/play/rebus-forge https://riddle10.com/play/swap-sounds https://riddle10.com/play/story-order https://riddle10.com/play/number-path https://riddle10.com/play/shadow-sculptor https://riddle10.com/play/mirror-pen https://riddle10.com/play/linked-rings https://riddle10.com/play/strip-fold https://riddle10.com/play/tide-pools https://riddle10.com/play/gear-clock https://riddle10.com/play/balance-mobile https://riddle10.com/play/twin-ice https://riddle10.com/play/chroma-grid https://riddle10.com/category/logic 2026-10-22 https://riddle10.com/category/numbers 2026-11-01 https://riddle10.com/category/spatial 2026-10-27 https://riddle10.com/category/visual 2026-11-01 https://riddle10.com/category/words 2026-10-28 https://riddle10.com/riddle/overlay-and-a 2026-11-01 https://riddle10.com/media/2026/10/overlay-and-a-question-3cfa30db.png https://riddle10.com/media/2026/10/overlay-and-a-question-3cfa30db.png Glass Overlay: Shared Lines A 3 by 3 grid of cards; each has nine dots numbered 1 to 9 like a keypad (1 top left, 9 bottom right), with lines joining neighbouring dots. Heading: only shared lines stay. Row 3: card 1: 1-2, 2-5, 2-4, 4-7, 7-8, 3-6; card 2: 1-5, 5-9, 2-3, 3-6, 5-6, 4-7; card 3 is missing. Options: A: 3-6, 4-7. B: 1-2, 2-3, 1-5, 2-4, 2-5, 3-6, 5-6, 5-9, 4-7, 7-8. C: 1-5, 3-6, 4-7. D: 1-2, 2-3, 1-5, 2-4, 2-5, 5-6, 5-9, 7-8. Which card completes the grid? https://riddle10.com/media/2026/10/overlay-and-a-no-answer-bc4bffeb.mp4 2026-11-01T19:00:00Z https://riddle10.com/riddle/overlay-xor-a 2026-11-01 https://riddle10.com/media/2026/10/overlay-xor-a-question-23dbfe0b.png https://riddle10.com/media/2026/10/overlay-xor-a-question-23dbfe0b.png Glass Overlay: Slide and Cancel A 3 by 3 grid of glass cards; each card has nine dots numbered 1 to 9 like a phone keypad (1 top left, 9 bottom right), and lines join neighbouring dots. The heading reads: Slide and cancel, what's left? Row 3: card 1 has lines 2-3, 4-5, 5-7, 8-9; card 2 has 2-3, 4-5, 7-8, 8-9; card 3 is missing. Options: A: 4-7, 5-7, 7-8. B: 5-7, 7-8. C: 2-3, 4-5, 8-9. D: 2-3, 4-5, 5-7, 7-8, 8-9. Which card completes the grid? https://riddle10.com/media/2026/10/overlay-xor-a-no-answer-fb725846.mp4 2026-11-01T13:00:00Z https://riddle10.com/riddle/shaded-pinwheel 2026-11-01 https://riddle10.com/media/2026/10/shaded-pinwheel-question-dca619e3.png https://riddle10.com/media/2026/10/shaded-pinwheel-question-dca619e3.png Shaded Part: The Pinwheel A square is divided into a 3 by 3 grid. Four gold triangles form a pinwheel: each has one full side of the square as its base, and its third corner is a corner of the middle grid square, 1 unit in from that side. The dark area is the middle square plus four thin points. What fraction of the square is gold? https://riddle10.com/media/2026/10/shaded-pinwheel-no-answer-f6028135.mp4 2026-11-01T07:00:00Z https://riddle10.com/riddle/candles-twice 2026-11-01 https://riddle10.com/media/2026/10/candles-twice-question-97525eda.png https://riddle10.com/media/2026/10/candles-twice-question-97525eda.png Two Candles: Twice as Tall Two candles of the same height are lit together and burn at a steady rate. Candle A lasts 4 hours, then it is gone. Candle B lasts 6 hours, then it is gone. After how many hours is B twice as tall as A? https://riddle10.com/media/2026/10/candles-twice-no-answer-c114aa5c.mp4 2026-11-01T01:00:00Z https://riddle10.com/riddle/shaded-tilted-square 2026-10-31 https://riddle10.com/media/2026/10/shaded-tilted-square-question-846249fc.png https://riddle10.com/media/2026/10/shaded-tilted-square-question-846249fc.png Shaded Part: Tilted Square A square is divided into a 4 by 4 grid. A tilted gold square sits inside it with one corner on each side: on the top side 3 units from the left, on the right side 1 unit up from the bottom, on the bottom side 1 unit from the left, and on the left side 1 unit down from the top. What fraction of the big square is gold? https://riddle10.com/media/2026/10/shaded-tilted-square-no-answer-eca02e58.mp4 2026-10-31T19:00:00Z https://riddle10.com/riddle/candles-equal-5h 2026-10-31 https://riddle10.com/media/2026/10/candles-equal-5h-question-81a51a9a.png https://riddle10.com/media/2026/10/candles-equal-5h-question-81a51a9a.png Two Candles: 32 cm and 22 cm Two candles are lit at the same time and each burns down at a steady rate. Candle A is 32 cm tall and burns 4 cm per hour. Candle B is 22 cm tall and burns 2 cm per hour. After how many hours are they the same height? https://riddle10.com/media/2026/10/candles-equal-5h-no-answer-8c6fe4e1.mp4 2026-10-31T07:00:00Z https://riddle10.com/riddle/shaded-triangle 2026-10-30 https://riddle10.com/media/2026/10/shaded-triangle-question-ada9e62b.png https://riddle10.com/media/2026/10/shaded-triangle-question-ada9e62b.png Shaded Part: The Triangle A square is divided into a 4 by 4 grid of equal small squares. A gold triangle is drawn inside it: its base is the whole bottom side of the square, and its top point sits at the middle of the top side. The rest of the square is dark. What fraction of the square is gold? https://riddle10.com/media/2026/10/shaded-triangle-no-answer-223bdfb0.mp4 2026-10-30T19:00:00Z https://riddle10.com/riddle/overlay-and-b 2026-10-30 https://riddle10.com/media/2026/10/overlay-and-b-question-4991338d.png https://riddle10.com/media/2026/10/overlay-and-b-question-4991338d.png Glass Overlay: Busy Cards Nine cards in a 3x3 grid; card dots are numbered 1-9 like a phone keypad. In rows 1 and 2, the third card keeps only lines on both of the first two. Row 3: card 1 has lines 1-2, 2-3, 1-4, 2-5, 5-8, 2-6, 3-5, 5-6; card 2 has 1-2, 1-4, 3-5, 3-6, 5-6, 6-9, 6-8, 8-9. Options: A 1-2, 1-4, 3-5, 5-6, 6-8; B every line of both cards combined; C 2-3, 2-5, 5-8, 3-6, 6-9, 8-9, 2-6, 6-8; D 1-2, 1-4, 3-5, 5-6. Which card completes the grid? https://riddle10.com/media/2026/10/overlay-and-b-no-answer-ca185ec1.mp4 2026-10-30T07:00:00Z https://riddle10.com/riddle/overlay-xor-b 2026-10-29 https://riddle10.com/media/2026/10/overlay-xor-b-question-17b3f440.png https://riddle10.com/media/2026/10/overlay-xor-b-question-17b3f440.png Glass Overlay: Lines Cancel A 3 by 3 grid of cards; each has nine dots numbered 1 to 9 like a keypad (1 top left, 9 bottom right), with lines joining neighbouring dots. Heading: lines cancel. Row 3: card 1 has 4-7, 3-5, 5-8, 3-6, 6-9, 8-9; card 2 has 1-2, 2-3, 2-5, 3-5, 6-9, 8-9; card 3 is missing. Options: A: 1-2, 2-3, 2-5, 5-8, 3-6, 6-9, 4-7. B: 1-2, 2-3, 2-5, 5-8, 3-6, 4-7. C: 1-2, 2-3, 3-5, 5-8, 3-6, 6-9, 8-9, 4-7. D: 3-5, 6-9, 8-9. Which card completes the grid? https://riddle10.com/media/2026/10/overlay-xor-b-no-answer-f4decded.mp4 2026-10-29T19:00:00Z https://riddle10.com/riddle/shaded-three-corners 2026-10-29 https://riddle10.com/media/2026/10/shaded-three-corners-question-2bd1af09.png https://riddle10.com/media/2026/10/shaded-three-corners-question-2bd1af09.png Shaded Part: Three Corners A square is split into four equal quarters, each a 2 by 2 grid. In three quarters a diagonal cuts the quarter in half and one half is gold: top-left (upper-right half), bottom-left (lower-left half) and bottom-right (upper-right half). The top-right quarter has no gold. What fraction of the whole square is gold? https://riddle10.com/media/2026/10/shaded-three-corners-no-answer-051c61cf.mp4 2026-10-29T07:00:00Z https://riddle10.com/riddle/routes-3x2 2026-10-28 https://riddle10.com/media/2026/10/routes-3x2-question-ded8e2b4.png https://riddle10.com/media/2026/10/routes-3x2-question-ded8e2b4.png How Many Routes: 3 × 2 Grid A grid is 3 small squares wide and 2 small squares tall, so it has 4 by 3 corner points joined by lines. The start (a house) is at the bottom-left corner and a gem is at the top-right corner. Moving only right or up along the lines, how many different routes lead from the start to the gem? https://riddle10.com/media/2026/10/routes-3x2-no-answer-3e0cdf4f.mp4 2026-10-28T19:00:00Z https://riddle10.com/riddle/what-am-i-map 2026-10-28 https://riddle10.com/media/2026/10/what-am-i-map-question-46dda81f.png https://riddle10.com/media/2026/10/what-am-i-map-question-46dda81f.png What Am I? Roads Without Cars Three clues describe one object. Clue 1: "I have roads but no cars." Clue 2: "I have rivers but no water." Clue 3: "I fold into your pocket." The options are A: map, B: globe, C: ticket, D: book. Which object fits all three clues? https://riddle10.com/media/2026/10/what-am-i-map-no-answer-70fcd051.mp4 2026-10-28T07:00:00Z https://riddle10.com/riddle/clock-1551 2026-10-27 https://riddle10.com/media/2026/10/clock-1551-question-215b0ac6.png https://riddle10.com/media/2026/10/clock-1551-question-215b0ac6.png Mirror Clock: The Long Wait A 24-hour flip clock shows 15:51, which reads the same forwards and backwards (a mirror time, like 12:21). A note warns that 16:61 is not a real time. How long until the clock next shows a mirror time? https://riddle10.com/media/2026/10/clock-1551-no-answer-385a9f81.mp4 2026-10-27T19:00:00Z https://riddle10.com/riddle/flip-then-turn 2026-10-27 https://riddle10.com/media/2026/10/flip-then-turn-question-6f5aa320.png https://riddle10.com/media/2026/10/flip-then-turn-question-6f5aa320.png Flip, Then Turn A square card shows a 3 by 3 grid of cells, gold (1) or dark (0). Rows, top to bottom: 110, 111, 001. Step 1: flip it over left to right, like a mirror. Step 2: give it a quarter turn clockwise. Which card do you get? A: 110, 111, 001. B: 110, 011, 011. C: 110, 110, 011. D: 011, 110, 110. https://riddle10.com/media/2026/10/flip-then-turn-no-answer-e4db640f.mp4 2026-10-27T07:00:00Z https://riddle10.com/riddle/roman-subtract 2026-10-26 https://riddle10.com/media/2026/10/roman-subtract-question-d02e130d.png https://riddle10.com/media/2026/10/roman-subtract-question-d02e130d.png Roman Subtraction A key shows Roman letter values: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000. A smaller letter after a bigger one adds; a smaller letter before a bigger one subtracts (VI = 6). What is LIV minus XLIV, written in Roman numerals? https://riddle10.com/media/2026/10/roman-subtract-no-answer-d2d3740e.mp4 2026-10-26T19:00:00Z https://riddle10.com/riddle/turn-half 2026-10-26 https://riddle10.com/media/2026/10/turn-half-question-516846c6.png https://riddle10.com/media/2026/10/turn-half-question-516846c6.png Half a Turn A square card shows a 3 by 3 grid of cells, gold (1) or dark (0), with a cut top-right corner. Rows, top to bottom: 111, 100, 001. The card is given a half turn (rotated 180°), not flipped. Which card do you get? A: 111, 001, 100. B: 111, 100, 001. C: 001, 100, 111. D: 100, 001, 111. https://riddle10.com/media/2026/10/turn-half-no-answer-d50f8633.mp4 2026-10-26T07:00:00Z https://riddle10.com/riddle/roman-longest-under-100 2026-10-25 https://riddle10.com/media/2026/10/roman-longest-under-100-question-f64c4ce0.png https://riddle10.com/media/2026/10/roman-longest-under-100-question-f64c4ce0.png Longest Roman Numeral A key shows Roman letter values: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000. Examples: 27 = XXVII (5 letters) and 64 = LXIV (4 letters). Using the standard form (9 is IX, never VIIII), which number from 1 to 99 has the longest Roman numeral? https://riddle10.com/media/2026/10/roman-longest-under-100-no-answer-2d9e1eb1.mp4 2026-10-25T19:00:00Z https://riddle10.com/riddle/clock-1331 2026-10-25 https://riddle10.com/media/2026/10/clock-1331-question-6082d95d.png https://riddle10.com/media/2026/10/clock-1331-question-6082d95d.png Mirror Clock: 13:31 A 24-hour digital clock shows 13:31, which reads the same forwards and backwards (a mirror time, like 12:21). How many minutes until the clock next shows a mirror time? https://riddle10.com/media/2026/10/clock-1331-no-answer-b45577aa.mp4 2026-10-25T07:00:00Z https://riddle10.com/riddle/turn-quarter 2026-10-24 https://riddle10.com/media/2026/10/turn-quarter-question-eac0c054.png https://riddle10.com/media/2026/10/turn-quarter-question-eac0c054.png A Quarter Turn A square card shows a 3 by 3 grid of cells, gold (1) or dark (0). Rows, top to bottom: 110, 001, 011. The card is given a quarter turn clockwise. Which card do you get? A: 011, 101, 100. B: 110, 001, 011. C: 001, 101, 110. D: 100, 101, 011. https://riddle10.com/media/2026/10/turn-quarter-no-answer-e1dd87b3.mp4 2026-10-24T19:00:00Z https://riddle10.com/riddle/routes-blocked-centre 2026-10-24 https://riddle10.com/media/2026/10/routes-blocked-centre-question-7ac1e7c7.png https://riddle10.com/media/2026/10/routes-blocked-centre-question-7ac1e7c7.png How Many Routes: One Cone A square grid is made of 3 by 3 small squares, so it has 4 by 4 corner points joined by lines. The start (a house) is at the bottom-left corner and a gem is at the top-right corner. A cone closes the corner one step right and one step up from the start, and no route may pass it. Moving only right or up along the lines, how many different routes lead from the start to the gem? https://riddle10.com/media/2026/10/routes-blocked-centre-no-answer-f7a5caa7.mp4 2026-10-24T07:00:00Z https://riddle10.com/riddle/routes-2x2 2026-10-24 https://riddle10.com/media/2026/10/routes-2x2-question-dc40f81e.png https://riddle10.com/media/2026/10/routes-2x2-question-dc40f81e.png How Many Routes: 2 × 2 Grid A square grid is made of 2 by 2 small squares, so it has 3 by 3 corner points joined by lines. The start (a house) is at the bottom-left corner and a gem is at the top-right corner. Moving only right or up along the lines, how many different routes lead from the start to the gem? https://riddle10.com/media/2026/10/routes-2x2-no-answer-6775a2a3.mp4 2026-10-24T01:00:00Z https://riddle10.com/riddle/what-am-i-pencil 2026-10-23 https://riddle10.com/media/2026/10/what-am-i-pencil-question-aef93035.png https://riddle10.com/media/2026/10/what-am-i-pencil-question-aef93035.png What Am I? The Grey Trail Three clues describe one object. Clue 1: "I get shorter every time I work." Clue 2: "I leave a grey trail." Clue 3: "I have lead inside." The options are A: chalk, B: pencil, C: eraser, D: crayon. Which object fits all three clues? https://riddle10.com/media/2026/10/what-am-i-pencil-no-answer-80a0eb02.mp4 2026-10-23T13:00:00Z https://riddle10.com/riddle/candles-equal-4h 2026-10-23 https://riddle10.com/media/2026/10/candles-equal-4h-question-d34b400d.png https://riddle10.com/media/2026/10/candles-equal-4h-question-d34b400d.png Two Candles: 12 cm and 8 cm Two candles are lit at the same time and each burns down at a steady rate. Candle A is 12 cm tall and burns 2 cm per hour. Candle B is 8 cm tall and burns 1 cm per hour. After how many hours are they the same height? https://riddle10.com/media/2026/10/candles-equal-4h-no-answer-09143eca.mp4 2026-10-23T01:00:00Z https://riddle10.com/riddle/jugs-split-8 2026-10-22 https://riddle10.com/media/2026/10/jugs-split-8-question-6acde23c.png https://riddle10.com/media/2026/10/jugs-split-8-question-6acde23c.png Split 8 Litres Three jugs hold 8 litres, 5 litres and 3 litres. The 8-litre jug is full of water and the other two are empty. There is no tap and there are no markings: you may only pour from one jug into another, and a pour stops when the first jug is empty or the second jug is full. The goal is 4 litres and 4 litres. What is the fewest number of pours that does it? https://riddle10.com/media/2026/10/jugs-split-8-no-answer-61f5090c.mp4 2026-10-22T13:00:00Z https://riddle10.com/riddle/turn-flip-turn 2026-10-22 https://riddle10.com/media/2026/10/turn-flip-turn-question-b1d106fa.png https://riddle10.com/media/2026/10/turn-flip-turn-question-b1d106fa.png Turn, Flip, Turn A square card shows a 3 by 3 grid of cells, gold (1) or dark (0). Rows, top to bottom: 101, 011, 010. Step 1: quarter turn clockwise. Step 2: flip over top to bottom. Step 3: quarter turn clockwise. Which card do you get? A: 010, 011, 101. B: 101, 110, 010. C: 010, 110, 101. D: 101, 011, 010. https://riddle10.com/media/2026/10/turn-flip-turn-no-answer-0fe6efb5.mp4 2026-10-22T09:36:00Z https://riddle10.com/riddle/roman-biggest 2026-10-22 https://riddle10.com/media/2026/10/roman-biggest-question-4fd4af65.png https://riddle10.com/media/2026/10/roman-biggest-question-4fd4af65.png Biggest Roman Number A key shows Roman letter values: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000. A smaller letter after a bigger one adds; a smaller letter before a bigger one subtracts (VI = 6). Four plaques read XC, LX, CX and XL. Which number is the biggest? https://riddle10.com/media/2026/10/roman-biggest-no-answer-ab556fdc.mp4 2026-10-22T04:48:00Z https://riddle10.com/riddle/roman-longest-year 2026-10-22 https://riddle10.com/media/2026/10/roman-longest-year-question-9548ea5f.png https://riddle10.com/media/2026/10/roman-longest-year-question-9548ea5f.png Longest Roman Year A key shows Roman letter values: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000, with VI = 6 as an example. Four years are listed: 1999, 2028, 1888 and 1777. Which year needs the most Roman letters when written as a Roman numeral? https://riddle10.com/media/2026/10/roman-longest-year-no-answer-507b99f1.mp4 2026-10-22T00:00:00Z https://riddle10.com/riddle/candles-equal-2h 2026-10-21 https://riddle10.com/media/2026/10/candles-equal-2h-question-931a5771.png https://riddle10.com/media/2026/10/candles-equal-2h-question-931a5771.png Two Candles: 20 cm and 15 cm Two candles are lit at the same time and each burns down at a steady rate. Candle A is 20 cm tall and burns 4 cm per hour. Candle B is 15 cm tall and burns 1.5 cm per hour. After how many hours are they the same height? https://riddle10.com/media/2026/10/candles-equal-2h-no-answer-5e204bf2.mp4 2026-10-21T19:12:00Z https://riddle10.com/riddle/routes-via-lantern 2026-10-21 https://riddle10.com/media/2026/10/routes-via-lantern-question-d8a790b3.png https://riddle10.com/media/2026/10/routes-via-lantern-question-d8a790b3.png How Many Routes: Pass the Lantern A square grid is made of 4 by 4 small squares, so it has 5 by 5 corner points joined by lines. The start (a house) is at the bottom-left corner and a gem is at the top-right corner. A lantern sits on the centre corner, 2 steps right and 2 steps up from the start. Moving only right or up along the lines, how many routes from the start to the gem pass the lantern? https://riddle10.com/media/2026/10/routes-via-lantern-no-answer-2980242a.mp4 2026-10-21T14:24:00Z https://riddle10.com/riddle/what-am-i-umbrella 2026-10-21 https://riddle10.com/media/2026/10/what-am-i-umbrella-question-175b88d0.png https://riddle10.com/media/2026/10/what-am-i-umbrella-question-175b88d0.png What Am I? Ribs but No Bones Three clues describe one object. Clue 1: "I open when it rains." Clue 2: "I close when it stops." Clue 3: "I have ribs but no bones." The options are A: window, B: tent, C: umbrella, D: book. Which object fits all three clues? https://riddle10.com/media/2026/10/what-am-i-umbrella-no-answer-f2f8075a.mp4 2026-10-21T09:36:00Z https://riddle10.com/riddle/what-am-i-key 2026-10-21 https://riddle10.com/media/2026/10/what-am-i-key-question-5f6421f4.png https://riddle10.com/media/2026/10/what-am-i-key-question-5f6421f4.png What Am I? Teeth but No Bite Three clues describe one object. Clue 1: "I have teeth but never bite." Clue 2: "I open what is shut." Clue 3: "I live on a ring." The options are A: comb, B: saw, C: door, D: key. Which object fits all three clues? https://riddle10.com/media/2026/10/what-am-i-key-no-answer-4c93f0fb.mp4 2026-10-21T04:48:00Z https://riddle10.com/riddle/flatbread-pan 2026-10-21 https://riddle10.com/media/2026/10/flatbread-pan-question-569f6740.png https://riddle10.com/media/2026/10/flatbread-pan-question-569f6740.png Flatbread Pan Three flatbreads, labelled A, B and C, each have two sides marked 1 and 2. A pan holds 2 flatbreads at a time, and each side needs 1 minute to cook. What is the fewest number of minutes needed to cook all 3 flatbreads on both sides? https://riddle10.com/media/2026/10/flatbread-pan-no-answer-0b1b7641.mp4 2026-10-21T00:00:00Z https://riddle10.com/riddle/rings-gold-square 2026-10-20 https://riddle10.com/media/2026/10/rings-gold-square-question-71d37d31.png https://riddle10.com/media/2026/10/rings-gold-square-question-71d37d31.png Which Ring? Gold Square Two overlapping rings are labelled HAS 4 SIDES (left) and IS GOLD (right). A blue striped diamond sits in the left ring only, a gold hexagon in the right ring only, and a blue striped triangle outside both. Options: A) blue striped square, B) gold triangle, C) gold square, D) gold circle. Which shape belongs in the middle, where the rings overlap? https://riddle10.com/media/2026/10/rings-gold-square-no-answer-ce507041.mp4 2026-10-20T19:12:00Z https://riddle10.com/riddle/angle-nine-forty-five 2026-10-20 https://riddle10.com/media/2026/10/angle-nine-forty-five-question-4997df63.png https://riddle10.com/media/2026/10/angle-nine-forty-five-question-4997df63.png Hands Apart: 9:45 A round clock face with the numbers 12, 3, 6 and 9 and minute tick marks shows quarter to ten; a digital display underneath reads 9:45. The minute hand points straight left at the 9, and the hour hand sits most of the way from the 9 toward the 10. What is the smaller angle between the two hands? https://riddle10.com/media/2026/10/angle-nine-forty-five-no-answer-6504ccc2.mp4 2026-10-20T14:24:00Z https://riddle10.com/riddle/rings-dots-stripes 2026-10-20 https://riddle10.com/media/2026/10/rings-dots-stripes-question-dba0f161.png https://riddle10.com/media/2026/10/rings-dots-stripes-question-dba0f161.png Which Ring? Dots and Stripes Two overlapping rings are labelled HAS A DOT (left) and HAS STRIPES (right). A plain dark tile with a small gold dot sits in the left ring only, a tile with horizontal stripes in the right ring only, and a plain tile with an empty circle outline outside both. Options: A) plain dark tile with a gold dot, B) diagonally striped tile, no dot, C) diagonally striped tile with a gold dot, D) plain dark tile with a gold dot inside a ring. Which tile belongs in the middle? https://riddle10.com/media/2026/10/rings-dots-stripes-no-answer-37cf2fb0.mp4 2026-10-20T09:36:00Z https://riddle10.com/riddle/angle-six-thirty 2026-10-20 https://riddle10.com/media/2026/10/angle-six-thirty-question-003eed22.png https://riddle10.com/media/2026/10/angle-six-thirty-question-003eed22.png Hands Apart: 6:30 An analogue clock face with the numbers 12, 3, 6 and 9 and tick marks for every hour shows half past six; a digital display underneath reads 6:30. The minute hand points straight down at the 6, and the hour hand sits partway between the 6 and the 7. What is the smaller angle between the two hands? https://riddle10.com/media/2026/10/angle-six-thirty-no-answer-2530bc9c.mp4 2026-10-20T04:48:00Z https://riddle10.com/riddle/log-cuts 2026-10-20 https://riddle10.com/media/2026/10/log-cuts-question-e6acb6f7.png https://riddle10.com/media/2026/10/log-cuts-question-e6acb6f7.png Cutting the Log A single log must be cut into 5 pieces. Each cut takes 2 minutes and makes one break, turning 1 piece into 2. The rules say one cut at a time and no stacking pieces to cut them together. How long does it take to cut the log into 5 pieces? https://riddle10.com/media/2026/10/log-cuts-no-answer-8aabfbcf.mp4 2026-10-20T00:00:00Z https://riddle10.com/riddle/keypad-same-as-book 2026-10-19 https://riddle10.com/media/2026/10/keypad-same-as-book-question-d3a25baa.png https://riddle10.com/media/2026/10/keypad-same-as-book-question-d3a25baa.png Old Phone Keys: Same as BOOK An old phone keypad shows the letter groups 2 ABC, 3 DEF, 4 GHI, 5 JKL, 6 MNO, 7 PQRS, 8 TUV and 9 WXYZ; key 1 has no letters. The screen reads BOOK = ????. Four options: A) BOOT, B) CONE, C) LOOK, D) COOK. Which of the four words types the same number as BOOK? https://riddle10.com/media/2026/10/keypad-same-as-book-no-answer-30fe7a7c.mp4 2026-10-19T19:12:00Z https://riddle10.com/riddle/angle-two-twenty 2026-10-19 https://riddle10.com/media/2026/10/angle-two-twenty-question-8e6dde2b.png https://riddle10.com/media/2026/10/angle-two-twenty-question-8e6dde2b.png Hands Apart: 2:20 An eight-sided clock face with the numbers 12, 3, 6 and 9 and tick marks for every hour shows twenty past two; a digital display underneath reads 2:20. The minute hand points at the 4, and the hour hand sits just past the 2. What is the smaller angle between the two hands? https://riddle10.com/media/2026/10/angle-two-twenty-no-answer-cb821aa6.mp4 2026-10-19T14:24:00Z https://riddle10.com/riddle/rings-numbers 2026-10-19 https://riddle10.com/media/2026/10/rings-numbers-question-747a047a.png https://riddle10.com/media/2026/10/rings-numbers-question-747a047a.png Which Ring? Even and Big Two overlapping rings are labelled EVEN NUMBER (left) and MORE THAN 50 (right). The number 12 sits in the left ring only, 91 in the right ring only, and 33 outside both. Options: A) 47, B) 38, C) 75, D) 64. Which number belongs in the middle, where the rings overlap? https://riddle10.com/media/2026/10/rings-numbers-no-answer-7f081ac8.mp4 2026-10-19T09:36:00Z https://riddle10.com/riddle/inside-loop-small 2026-10-19 https://riddle10.com/media/2026/10/inside-loop-small-question-a32c7013.png https://riddle10.com/media/2026/10/inside-loop-small-question-a32c7013.png Inside the Loop: Four Gems A board has grid points numbered 0 to 6 across (left to right) and 0 to 6 down (top to bottom). One closed wall joins these points in order: (0,2), (1,2), (1,1), (2,1), (2,2), (4,2), (4,3), (5,3), (5,4), (6,4), (6,6), (3,6), (3,4), (0,4), then back to (0,2). Four gems sit at square centres: B at (0.5,1.5), A at (3.5,2.5), C at (4.5,2.5), D at (2.5,4.5). Which gem is inside the loop? https://riddle10.com/media/2026/10/inside-loop-small-no-answer-69ced4d5.mp4 2026-10-19T04:48:00Z https://riddle10.com/riddle/inside-loop-medium 2026-10-19 https://riddle10.com/media/2026/10/inside-loop-medium-question-3cdb318d.png https://riddle10.com/media/2026/10/inside-loop-medium-question-3cdb318d.png Inside the Loop: Only One Is In Grid points run 0 to 8 across (left to right) and 0 to 8 down (top to bottom). One closed wall joins, in order: (1,0) (2,0) (2,2) (4,2) (4,3) (3,3) (3,4) (5,4) (5,3) (7,3) (7,4) (8,4) (8,5) (7,5) (7,7) (6,7) (6,8) (5,8) (5,7) (2,7) (2,6) (1,6) (1,5) (0,5) (0,3) (1,3), back to (1,0). Gems sit at square centres: A (0.5,3.5), B (7.5,3.5), C (1.5,6.5), D (7.5,5.5). Which gem is inside the loop? https://riddle10.com/media/2026/10/inside-loop-medium-no-answer-7022c7b4.mp4 2026-10-19T00:00:00Z https://riddle10.com/riddle/angle-three-thirty 2026-10-18 https://riddle10.com/media/2026/10/angle-three-thirty-question-0e0d2985.png https://riddle10.com/media/2026/10/angle-three-thirty-question-0e0d2985.png Hands Apart: 3:30 A square clock face with the numbers 12, 3, 6 and 9 and tick marks for every hour shows half past three; a digital display underneath reads 3:30. The minute hand points straight down at the 6, and the hour hand sits between the 3 and the 4. What is the smaller angle between the two hands? https://riddle10.com/media/2026/10/angle-three-thirty-no-answer-27722edd.mp4 2026-10-18T19:12:00Z https://riddle10.com/riddle/climbing-robot 2026-10-18 https://riddle10.com/media/2026/10/climbing-robot-question-83c3c4bf.png https://riddle10.com/media/2026/10/climbing-robot-question-83c3c4bf.png Climbing Robot A robot starts at the bottom of a 10 m wall, marked from 0 m to 10 m. Each day it climbs up 3 m, and each night it slips back down 2 m. On which day does the robot reach the top of the wall? https://riddle10.com/media/2026/10/climbing-robot-no-answer-09f2a30e.mp4 2026-10-18T14:24:00Z https://riddle10.com/riddle/inside-loop-large 2026-10-18 https://riddle10.com/media/2026/10/inside-loop-large-question-25bab413.png https://riddle10.com/media/2026/10/inside-loop-large-question-25bab413.png Inside the Loop: The Trapped Gem A dotted grid has columns 0 to 10 (left to right) and rows 0 to 10 (top to bottom). One closed wall joins these points in order: (7,1) (8,1) (8,2) (9,2) (9,4) (10,4) (10,7) (9,7) (9,10) (8,10) (8,9) (7,9) (7,8) (6,8) (6,10) (5,10) (5,9) (3,9) (3,8) (1,8) (1,7) (2,7) (2,4) (5,4) (5,2) (7,2), then back to (7,1). Four gems sit in squares centred at A (8.5,1.5), B (5.5,2.5), C (7.5,9.5), D (1.5,6.5). Which gem is inside the loop? https://riddle10.com/media/2026/10/inside-loop-large-no-answer-c758bc7c.mp4 2026-10-18T09:36:00Z https://riddle10.com/riddle/three-rings-centre 2026-10-18 https://riddle10.com/media/2026/10/three-rings-centre-question-94729356.png https://riddle10.com/media/2026/10/three-rings-centre-question-94729356.png Which Ring? Three Rings Three overlapping rings are labelled ROUND, BLUE and HAS A DOT. A plain yellow circle sits only in ROUND, a striped blue square only in BLUE, and a yellow square with a white dot only in HAS A DOT. Four tiles are offered: A) striped blue circle, B) yellow circle with a dot, C) striped blue square with a dot, D) striped blue circle with a dot. Which tile belongs in the very centre, where all three rings overlap? https://riddle10.com/media/2026/10/three-rings-centre-no-answer-07cbbfb1.mp4 2026-10-18T04:48:00Z https://riddle10.com/riddle/fence-posts 2026-10-18 https://riddle10.com/media/2026/10/fence-posts-question-0a43c0d2.png https://riddle10.com/media/2026/10/fence-posts-question-0a43c0d2.png Fence Posts A straight fence is 15 m long. It has a post every 3 m, with one post at each end. A small example shows a 6 m fence with posts numbered 1, 2 and 3 and two 3 m gaps. How many posts does the 15 m fence have? https://riddle10.com/media/2026/10/fence-posts-no-answer-e04bc2f6.mp4 2026-10-18T00:00:00Z https://riddle10.com/riddle/odometer-15951 2026-10-18 https://riddle10.com/media/2026/10/odometer-15951-question-b249e2cf.png https://riddle10.com/media/2026/10/odometer-15951-question-b249e2cf.png Mirror Odometer: 15951 A car odometer reads 15951 km. This is a mirror number: it reads the same forwards and backwards, like 12321. The odometer keeps counting up one kilometre at a time. How many more km until it next shows a mirror number? https://riddle10.com/media/2026/10/odometer-15951-no-answer-747aa4a3.mp4 2026-10-17T19:12:00Z https://riddle10.com/riddle/odometer-29992 2026-10-18 https://riddle10.com/media/2026/10/odometer-29992-question-b21d8c53.png https://riddle10.com/media/2026/10/odometer-29992-question-b21d8c53.png Mirror Odometer: 29992 A car odometer reads 29992 km, a mirror number that reads the same forwards and backwards, like 12321. The odometer counts up one kilometre at a time. How many more km until it next shows a mirror number? https://riddle10.com/media/2026/10/odometer-29992-no-answer-4b42d48c.mp4 2026-10-17T14:24:00Z https://riddle10.com/riddle/lighthouse-flashes 2026-10-18 https://riddle10.com/media/2026/10/lighthouse-flashes-question-2600018f.png https://riddle10.com/media/2026/10/lighthouse-flashes-question-2600018f.png Lighthouse Flashes A lighthouse flashes at evenly spaced times. From flash 1 to flash 6 takes 5 seconds. How many seconds pass from flash 1 to flash 11? https://riddle10.com/media/2026/10/lighthouse-flashes-no-answer-85ad5188.mp4 2026-10-17T09:36:00Z https://riddle10.com/riddle/inside-loop-huge 2026-10-18 https://riddle10.com/media/2026/10/inside-loop-huge-question-81781bf8.png https://riddle10.com/media/2026/10/inside-loop-huge-question-81781bf8.png Inside the Loop: The Winding Wall A 12 by 12 dotted grid holds one closed wall. With columns 0 to 12 from the left and rows 0 to 12 from the top, the wall joins these corners in order with straight lines, then returns to the start: (6,0) (8,0) (8,2) (9,2) (9,1) (10,1) (10,5) (9,5) (9,6) (10,6) (10,7) (11,7) (11,8) (10,8) (10,9) (7,9) (7,12) (6,12) (6,11) (5,11) (5,12) (3,12) (3,11) (2,11) (2,10) (3,10) (3,8) (2,8) (2,9) (1,9) (1,8) (0,8) (0,6) (1,6) (1,4) (2,4) (2,3) (3,3) (3,4) (6,4) (6,3) (7,3) (7,1) (6,1). Gems sit at the centres of squares: A (8.5,1.5), B (9.5,5.5), C (6.5,3.5), D (5.5,11.5). Which gem is INSIDE the loop? https://riddle10.com/media/2026/10/inside-loop-huge-no-answer-dc0e4282.mp4 2026-10-17T04:48:00Z https://riddle10.com/riddle/keypad-biggest 2026-10-18 https://riddle10.com/media/2026/10/keypad-biggest-question-60918797.png https://riddle10.com/media/2026/10/keypad-biggest-question-60918797.png Old Phone Keys: Biggest Number An old phone keypad shows: 2 = ABC, 3 = DEF, 4 = GHI, 5 = JKL, 6 = MNO, 7 = PQRS, 8 = TUV, 9 = WXYZ; key 1 has no letters. Typing each word gives a four-digit number. Which word types the BIGGEST number: A) WEST, B) YEAR, C) WORD or D) WAVE? https://riddle10.com/media/2026/10/keypad-biggest-no-answer-356a93c7.mp4 2026-10-17T00:00:00Z https://riddle10.com/riddle/lamp-deduce 2026-10-18 https://riddle10.com/media/2026/10/lamp-deduce-question-14b3ec52.png https://riddle10.com/media/2026/10/lamp-deduce-question-14b3ec52.png Lamp Code: Deduce the Lamps Four lamps sit in a row, each with an unknown value; a row shows the sum of its lit lamps. Lit lamps by position from the left: positions 3 and 4 show 3; positions 2 and 4 show 5; positions 1 and 4 show 9; positions 2 and 3 show 6. The last row has positions 1, 2 and 3 lit. What number does the last row show? https://riddle10.com/media/2026/10/lamp-deduce-no-answer-c4398daa.mp4 2026-10-16T19:12:00Z https://riddle10.com/riddle/tokens-six 2026-10-18 https://riddle10.com/media/2026/10/tokens-six-question-388ab64a.png https://riddle10.com/media/2026/10/tokens-six-question-388ab64a.png Fewest Tokens: Pay 6 You must pay exactly 6 using tokens worth 1, 3 and 4. You may use as many of each token as you like, and no change is given. Which tokens pay 6 using the fewest tokens possible? https://riddle10.com/media/2026/10/tokens-six-no-answer-784332d3.mp4 2026-10-16T14:24:00Z https://riddle10.com/riddle/keypad-4663 2026-10-18 https://riddle10.com/media/2026/10/keypad-4663-question-3ce0f688.png https://riddle10.com/media/2026/10/keypad-4663-question-3ce0f688.png Old Phone Keys: 4663 An old phone keypad shows: 2 = ABC, 3 = DEF, 4 = GHI, 5 = JKL, 6 = MNO, 7 = PQRS, 8 = TUV, 9 = WXYZ; key 1 has no letters. The screen shows 4663. Which of the four words types 4663: A) HOPE, B) HOLE, C) HOME or D) HOSE? https://riddle10.com/media/2026/10/keypad-4663-no-answer-9294216a.mp4 2026-10-16T09:36:00Z https://riddle10.com/riddle/ladder-show 2026-10-18 https://riddle10.com/media/2026/10/ladder-show-question-98db83ad.png https://riddle10.com/media/2026/10/ladder-show-question-98db83ad.png Word Ladder: Ship to Slow A word ladder climbs from SHIP to SLOW, changing one letter at each step: SHIP, SHOP, ?, SNOW, SLOW. Which word fills the gap: SHOT, STOP, SHOW or SHOE? https://riddle10.com/media/2026/10/ladder-show-no-answer-1b02a8a2.mp4 2026-10-16T04:48:00Z https://riddle10.com/riddle/five-weekends 2026-10-18 https://riddle10.com/media/2026/10/five-weekends-question-62951a25.png https://riddle10.com/media/2026/10/five-weekends-question-62951a25.png Five Weekends A clue reads: "This month has five Fridays, five Saturdays and five Sundays." Below it is a row of day tiles: MON, TUE, WED, THU, FRI, SAT, SUN. The question asks: what day of the week is the 1st of this month? https://riddle10.com/media/2026/10/five-weekends-no-answer-273ef9b7.mp4 2026-10-16T00:00:00Z https://riddle10.com/riddle/ladder-mill 2026-10-18 https://riddle10.com/media/2026/10/ladder-mill-question-0679b41f.png https://riddle10.com/media/2026/10/ladder-mill-question-0679b41f.png Word Ladder: Hall to Silk A word ladder climbs from HALL at the bottom to SILK at the top, changing one letter at each step: HALL, HILL, ?, MILK, SILK. Which word fills the gap: MILE, MILL, HILT or MALL? https://riddle10.com/media/2026/10/ladder-mill-no-answer-9d111cb7.mp4 2026-10-15T19:12:00Z https://riddle10.com/riddle/day-after-tomorrow 2026-10-18 https://riddle10.com/media/2026/10/day-after-tomorrow-question-580eee9f.png https://riddle10.com/media/2026/10/day-after-tomorrow-question-580eee9f.png Day After Tomorrow A row of seven day tiles reads MON, TUE, WED, THU, FRI, SAT, SUN, with SAT and SUN picked out in gold. Above them, one clue: "The day after tomorrow is Friday." The question asks: what day is today? https://riddle10.com/media/2026/10/day-after-tomorrow-no-answer-ba0e6581.mp4 2026-10-15T14:24:00Z https://riddle10.com/riddle/diamond-window 2026-10-18 https://riddle10.com/media/2026/10/diamond-window-question-05bfd94e.png https://riddle10.com/media/2026/10/diamond-window-question-05bfd94e.png Diamond Window A square window has both diagonals drawn, crossing at the centre. A diamond joins the midpoints of the four sides. A small circle sits at the centre, wholly inside the diamond and not touching it; the diagonals pass through the circle. How many closed areas (panes) can you count? https://riddle10.com/media/2026/10/diamond-window-no-answer-38b998e6.mp4 2026-10-15T09:36:00Z https://riddle10.com/riddle/ladder-cook 2026-10-18 https://riddle10.com/media/2026/10/ladder-cook-question-a14674cd.png https://riddle10.com/media/2026/10/ladder-cook-question-a14674cd.png Word Ladder: Tool to Book A word ladder climbs from TOOL at the bottom to BOOK at the top, changing one letter at each step: TOOL, COOL, ?, HOOK, BOOK. Which word fills the gap: COOK, POOL, LOOK or CORK? https://riddle10.com/media/2026/10/ladder-cook-no-answer-a62a9c9d.mp4 2026-10-15T04:48:00Z https://riddle10.com/riddle/three-state-lamps 2026-10-18 https://riddle10.com/media/2026/10/three-state-lamps-question-145e2f43.png https://riddle10.com/media/2026/10/three-state-lamps-question-145e2f43.png Dim or Bright Three lamps sit in a row. Each can be off, dim or bright, and bright counts double dim. Each row shows a total. Row 1: left dim, others off, equals 9. Row 2: middle bright, others off, equals 6. Row 3: left off, middle dim, right bright, equals 5. Last row: left bright, middle dim, right dim. What number does the last row show? https://riddle10.com/media/2026/10/three-state-lamps-no-answer-c469305c.mp4 2026-10-15T00:00:00Z https://riddle10.com/riddle/tokens-twenty-four 2026-10-18 https://riddle10.com/media/2026/10/tokens-twenty-four-question-55ca7226.png https://riddle10.com/media/2026/10/tokens-twenty-four-question-55ca7226.png Fewest Tokens: Pay 24 You must pay exactly 24 using tokens worth 1, 6, 10 and 15. Every token type is unlimited, and no change is given. Which tokens pay 24 using the fewest tokens possible? https://riddle10.com/media/2026/10/tokens-twenty-four-no-answer-9dcf1750.mp4 2026-10-14T19:12:00Z https://riddle10.com/riddle/tokens-eleven 2026-10-18 https://riddle10.com/media/2026/10/tokens-eleven-question-f027a374.png https://riddle10.com/media/2026/10/tokens-eleven-question-f027a374.png Fewest Tokens: Pay 11 Four token types are available in unlimited supply: 1, 5, 6 and 9. You must pay exactly 11 with no change given. Which tokens pay 11 using the fewest tokens possible? https://riddle10.com/media/2026/10/tokens-eleven-no-answer-837f11f3.mp4 2026-10-14T14:24:00Z https://riddle10.com/riddle/square-circle-x 2026-10-18 https://riddle10.com/media/2026/10/square-circle-x-question-4e4f9b43.png https://riddle10.com/media/2026/10/square-circle-x-question-4e4f9b43.png Square, Circle, X A square has both of its diagonals drawn, crossing at the centre in an X. A circle is drawn inside the square, centred on the same point, just touching the middle of each of the four sides. The diagonals pass through the circle and run on into the four corners. How many closed areas can you count in this figure? https://riddle10.com/media/2026/10/square-circle-x-no-answer-999457aa.mp4 2026-10-14T09:36:00Z https://riddle10.com/riddle/yesterday-riddle 2026-10-18 https://riddle10.com/media/2026/10/yesterday-riddle-question-fcb5fa83.png https://riddle10.com/media/2026/10/yesterday-riddle-question-fcb5fa83.png Yesterday's Clue A row of seven day tiles reads MON, TUE, WED, THU, FRI, SAT, SUN, with SAT and SUN in gold. A clue below says: "Yesterday was two days after Sunday." The question asks: what day is tomorrow? https://riddle10.com/media/2026/10/yesterday-riddle-no-answer-a77dbdaf.mp4 2026-10-14T04:48:00Z https://riddle10.com/riddle/keypad-2283 2026-10-18 https://riddle10.com/media/2026/10/keypad-2283-question-b2f10207.png https://riddle10.com/media/2026/10/keypad-2283-question-b2f10207.png Old Phone Keys: 2283 An old phone keypad shows: 2 = ABC, 3 = DEF, 4 = GHI, 5 = JKL, 6 = MNO, 7 = PQRS, 8 = TUV, 9 = WXYZ; key 1 has no letters. The target number is 2283. Which word types 2283: A) CAKE, B) CAVE, C) CAGE or D) CAME? https://riddle10.com/media/2026/10/keypad-2283-no-answer-57c656bd.mp4 2026-10-14T00:00:00Z https://riddle10.com/riddle/tokens-squares 2026-10-18 https://riddle10.com/media/2026/10/tokens-squares-question-46203128.png https://riddle10.com/media/2026/10/tokens-squares-question-46203128.png Fewest Tokens: Pay 18 Four token types are available in unlimited supply: 1, 4, 9 and 16 (the square numbers). You must pay exactly 18 with no change given. Which tokens pay 18 using the fewest tokens possible? https://riddle10.com/media/2026/10/tokens-squares-no-answer-883669e6.mp4 2026-10-13T18:35:00Z https://riddle10.com/riddle/lamp-twenty-two 2026-10-18 https://riddle10.com/media/2026/10/lamp-twenty-two-question-96887dca.png https://riddle10.com/media/2026/10/lamp-twenty-two-question-96887dca.png Lamp Code: Show 22 Five lamps sit in a row. Each lamp is worth double the lamp on its right, and the rightmost lamp alone shows 1. Which row of lamps shows 22? Reading lit (1) and unlit (0) from left to right: A is 1 0 1 1 0; B is 1 1 0 1 0; C is 0 1 1 1 0; D is 1 0 1 0 1. https://riddle10.com/media/2026/10/lamp-twenty-two-no-answer-6c043ea6.mp4 2026-10-13T13:35:00Z https://riddle10.com/riddle/tokens-fourteen 2026-10-18 https://riddle10.com/media/2026/10/tokens-fourteen-question-c9909ee2.png https://riddle10.com/media/2026/10/tokens-fourteen-question-c9909ee2.png Fewest Tokens: Pay 14 You must pay exactly 14 using tokens worth 1, 7 and 10. Each token can be used as many times as you like, and no change is given. Which tokens pay 14 with the fewest tokens? https://riddle10.com/media/2026/10/tokens-fourteen-no-answer-f73fe38d.mp4 2026-10-13T08:35:00Z https://riddle10.com/riddle/hundred-days 2026-10-18 https://riddle10.com/media/2026/10/hundred-days-question-8451ed35.png https://riddle10.com/media/2026/10/hundred-days-question-8451ed35.png 100 Days Later Seven day tiles, MON, TUE, WED, THU, FRI, SAT and SUN, sit in a ring around a centre card that reads: Today is Saturday. Partway through, the video points out that every 7 days you land on the same day again. What day will it be 100 days from today? https://riddle10.com/media/2026/10/hundred-days-no-answer-2e7e5734.mp4 2026-10-13T03:35:00Z https://riddle10.com/riddle/ladder-train 2026-10-18 https://riddle10.com/media/2026/10/ladder-train-question-7a9e75fd.png https://riddle10.com/media/2026/10/ladder-train-question-7a9e75fd.png Word Ladder: Grain to Trait A word ladder of five-letter words climbs from GRAIN at the bottom to TRAIT at the top, changing one letter at each step: GRAIN, BRAIN, ?, TRAIL, TRAIT. Which word fills the gap: BRAID, DRAIN, TRAIN or GRAIL? https://riddle10.com/media/2026/10/ladder-train-no-answer-cf0fb29d.mp4 2026-10-12T22:35:00Z https://riddle10.com/riddle/dot-squares 2026-10-18 https://riddle10.com/media/2026/10/dot-squares-question-122c504e.png https://riddle10.com/riddle/four-digit-clues 2026-10-18 https://riddle10.com/riddle/cube-stack 2026-10-18 https://riddle10.com/media/2026/10/cube-stack-question-a26e3880.png https://riddle10.com/media/2026/10/cube-stack-question-a26e3880.png Count Every Cube A picture shows a stepped stack of identical cubes on a 4 by 4 floor grid. Every cube rests on the floor or on another cube, so there are no hidden gaps. Read as column heights, the back row is 4, 3, 3 and 1 cubes tall, the next row 3, 3, 2 and 1, the third row 2, 2, 1 and 0, and the front row 1, 1, 0 and 0. How many cubes are in the stack? https://riddle10.com/media/2026/10/cube-stack-no-answer-3e3c0fca.mp4 2026-10-12T07:35:00Z https://riddle10.com/riddle/shape-sudoku 2026-10-18 https://riddle10.com/media/2026/10/shape-sudoku-question-6bb273b7.png https://riddle10.com/riddle/fill-order 2026-10-18 https://riddle10.com/media/2026/10/fill-order-question-465a893a.png https://riddle10.com/media/2026/10/fill-order-question-465a893a.png Which Tank Fills? A tap pours into a top tank with two side pipes: a low left pipe, sealed by a red cap, leading to tank A, and a higher right pipe leading to tank B. Tank A has a low left pipe to tank C and a higher right pipe to tank D. Tank B has a low left pipe to tank D and a higher right pipe, near its rim, to tank F. Tank D has one pipe, just below its rim, to tank E. Tanks C, E and F have no outlets. Which tank fills up first? https://riddle10.com/media/2026/10/fill-order-no-answer-cfc54e4f.mp4 2026-10-11T21:35:00Z https://riddle10.com/riddle/three-chests 2026-10-18 https://riddle10.com/riddle/lantern-grid 2026-10-18 https://riddle10.com/media/2026/10/lantern-grid-question-b522ea5d.png https://riddle10.com/media/2026/10/lantern-grid-question-b522ea5d.png Nine Glass Lanterns Nine lantern tiles form a 3 by 3 grid: A, B, C on the top row, D, E, F in the middle and G, H, I on the bottom. Tiles A, D, E and G are dark; B, C, F, H and I are lit. A tap flips the tapped tile plus the tiles directly above, below, left and right of it: lit turns dark and dark turns lit. Which one tap lights all nine tiles? https://riddle10.com/media/2026/10/lantern-grid-no-answer-13a4f763.mp4 2026-10-11T11:35:00Z https://riddle10.com/riddle/symbol-equations 2026-10-18 https://riddle10.com/media/2026/10/symbol-equations-question-1b82da43.png https://riddle10.com/riddle/melon-weight 2026-10-18 https://riddle10.com/riddle/glass-overlay 2026-10-18 https://riddle10.com/media/2026/10/glass-overlay-question-664e2a6d.png https://riddle10.com/media/2026/10/glass-overlay-question-664e2a6d.png Two Glass Cards Two glass cards each have two seven-segment digit spaces with only some strokes lit. Card A: left digit lit at the two upper side strokes; right digit lit at the top, both upper sides and the middle. Card B: left digit lit at the middle and lower right; right digit lit at the middle, both lower sides and the bottom. An example shows two partial cards stacking to make 3. Slide the two cards together. Which number appears? https://riddle10.com/media/2026/10/glass-overlay-no-answer-0673dc16.mp4 2026-10-10T20:35:00Z https://riddle10.com/riddle/hidden-secret 2026-10-18 https://riddle10.com/media/2026/10/hidden-secret-question-122937c1.png https://riddle10.com/media/2026/10/hidden-secret-question-122937c1.png Five Words Share a Secret Six word tiles sit in three rows of two: CANINE and OFTEN on top, THREAD and ATONE in the middle, NETWORK and LONELY at the bottom. The video adds: look closely, every word is hiding something. Five of these words share a hidden secret. Which word does not? https://riddle10.com/media/2026/10/hidden-secret-no-answer-88dbf11d.mp4 2026-10-10T15:35:00Z https://riddle10.com/riddle/alphabet-number 2026-10-18 https://riddle10.com/riddle/hardware-shop 2026-10-18 https://riddle10.com/media/2026/10/hardware-shop-question-1b31a9cb.png https://riddle10.com/riddle/same-four-letters 2026-10-18 https://riddle10.com/riddle/lake-word 2026-10-18 https://riddle10.com/media/2026/10/lake-word-question-ec27b1af.png https://riddle10.com/media/2026/10/lake-word-question-ec27b1af.png The Lake Word Four signs stand on posts at the edge of a calm lake. The water reflects them like a mirror, flipping each word top to bottom. The signs read, in plain capital letters: A, RIVER; B, CHOICE; C, SHADOW; D, MIRROR. Only one word looks exactly the same in its reflection. Which one? https://riddle10.com/media/2026/10/lake-word-no-answer-8d0044ea.mp4 2026-10-09T19:35:00Z https://riddle10.com/riddle/blue-moon 2026-10-18 https://riddle10.com/media/2026/10/blue-moon-question-2293aed5.png https://riddle10.com/riddle/one-word-three-pairs 2026-10-18 https://riddle10.com/media/2026/10/one-word-three-pairs-question-82e22ec7.png https://riddle10.com/riddle/socks-and-prizes 2026-10-18 https://riddle10.com/riddle/field-to-table 2026-10-18 https://riddle10.com/riddle/picture-word 2026-10-18 https://riddle10.com/media/2026/10/picture-word-question-efa79ffe.png https://riddle10.com/media/2026/10/picture-word-question-efa79ffe.png Two Pictures, One Word Two picture tiles are joined by a plus sign, with an equals sign and an empty answer box below them. The left tile shows a grey cloud with blue drops falling from it. The right tile shows a red ribbon tied with two loops and two hanging tails. (A warm-up at the start shows a sun plus a flower.) Join the names of the two pictures into one word. What is the word? https://riddle10.com/media/2026/10/picture-word-no-answer-c9b897b5.mp4 2026-10-08T22:57:00Z https://riddle10.com/riddle/conveyor-switches 2026-10-18 https://riddle10.com/media/2026/10/conveyor-switches-question-2a4598ad.png https://riddle10.com/media/2026/10/conveyor-switches-question-2a4598ad.png Flip-Flop Gates Boxes 1, 2 and 3 drop one at a time onto a top gate that sends them left or right. The left branch reaches a gate sending left to bin A or right to a middle gate. The right branch reaches a gate sending right to bin D or left to the same middle gate. The middle gate sends left to bin B or right to bin C. All four gates start pointing left, and each gate flips after a box passes it. Where does box 3 land? https://riddle10.com/media/2026/10/conveyor-switches-no-answer-a21090bb.mp4 2026-10-08T10:27:04Z https://riddle10.com/riddle/clock-pattern 2026-10-18 https://riddle10.com/media/2026/10/clock-pattern-question-af0f70b4.png https://riddle10.com/riddle/shape-sequence 2026-10-18 https://riddle10.com/media/2026/10/shape-sequence-question-4acd9b6c.png https://riddle10.com/riddle/code-lock 2026-10-18 https://riddle10.com/media/2026/10/code-lock-question-8b44e3f8.png https://riddle10.com/riddle/number-pyramid 2026-10-18 https://riddle10.com/media/2026/10/number-pyramid-question-1be62008.png https://riddle10.com/riddle/lantern-cords 2026-10-18 https://riddle10.com/media/2026/10/lantern-cords-question-e8c7e7b1.png https://riddle10.com/media/2026/10/lantern-cords-question-e8c7e7b1.png Tangled Cords Lanterns, left to right: circle, star, diamond, square; switches A to D below, left to right. Cords cross over and under, never joining. From the top: circle's cord runs down the left edge, then diagonally down-right through the centre. Star's and diamond's cross just below the lanterns; star's then reaches the right edge at mid-height, diamond's the left edge at mid-height. Square's runs down the right edge, then diagonally down-left through the centre. From the bottom: A's cord rises up-right through the centre, B's to a loop at the left edge, C's to a loop at the right edge, D's up-left through the centre. Which switch lights the star lantern? https://riddle10.com/media/2026/10/lantern-cords-no-answer-2ce88fff.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/stick-equation 2026-10-18 https://riddle10.com/media/2026/10/stick-equation-question-42ef37eb.png https://riddle10.com/media/2026/10/stick-equation-question-42ef37eb.png Move One Rod Rods form a digital-style equation: 3 - 8 = 7. The 3 uses five rods, the minus sign one, the 8 seven, the equals sign two, and the 7 three (a top rod and two on the right). The equation is false. Lift exactly one rod and place it somewhere else so the equation becomes true. What is the true equation? https://riddle10.com/media/2026/10/stick-equation-no-answer-cd2a9592.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/balance-scales 2026-10-18 https://riddle10.com/media/2026/10/balance-scales-question-acb8c8bc.png https://riddle10.com/media/2026/10/balance-scales-question-acb8c8bc.png Three Level Scales Three scales balance. Scale 1: one triangle equals one square plus one circle. Scale 2: two squares equal one triangle plus one circle. Scale 3: two triangles equal three squares. Same shapes weigh the same. A fourth scale holds one triangle and one square on the left and an empty pan with a question mark on the right. How many circles balance the last scale? https://riddle10.com/media/2026/10/balance-scales-no-answer-ee6bc3fa.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/water-pipes 2026-10-18 https://riddle10.com/media/2026/10/water-pipes-question-beeab422.png https://riddle10.com/media/2026/10/water-pipes-question-beeab422.png Open the Tap Pipe joints sit on a grid: columns 1 to 5 from the left, rows 1 to 4 from the top; (3,1) means column 3, row 1. The tank feeds (3,1). Plain pipes: (1,1)-(2,1); (1,1)-(1,2); (1,3)-(1,4); (2,1)-(2,2)-(3,2)-(3,3); (2,3)-(2,4); (3,3)-(3,4); (4,1)-(4,3); (4,1)-(5,1)-(5,2), a dead end; (4,3)-(5,3). Open valves: (2,1)-(3,1); (2,3)-(3,3); (3,4)-(4,4); (5,3)-(5,4). Closed valves: (3,1)-(4,1); (3,3)-(4,3); (1,4)-(2,4); (4,4)-(5,4); (1,2)-(1,3). Jars hang below (1,4) for A, (2,4) for B through a closed valve, (4,4) for C and (5,4) for D. Which jar fills? https://riddle10.com/media/2026/10/water-pipes-no-answer-66240a98.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/gear-train 2026-10-18 https://riddle10.com/media/2026/10/gear-train-question-7370686b.png https://riddle10.com/media/2026/10/gear-train-question-7370686b.png Turn the Crank Five gears mesh in a row along the top; the first, big one at top left turns clockwise. The fifth carries a pulley joined by a crossed belt to a pulley on the bottom-right gear. Along the bottom, five gears mesh in a row; counting from the left, gears 1 to 4 each carry a rope drum and gear 5 is the belted one. Lantern A hangs from the left side of drum 1, B from the right side of drum 2, C from the right side of drum 3, D from the right side of drum 4. Which lantern goes up? https://riddle10.com/media/2026/10/gear-train-no-answer-fe13fe7c.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/count-triangles 2026-10-18 https://riddle10.com/media/2026/10/count-triangles-question-f96b206b.png https://riddle10.com/riddle/odd-tile 2026-10-18 https://riddle10.com/media/2026/10/odd-tile-question-548aab39.png https://riddle10.com/riddle/mirror-clock 2026-10-18 https://riddle10.com/media/2026/10/mirror-clock-question-58dc9dab.png https://riddle10.com/media/2026/10/mirror-clock-question-58dc9dab.png The Clock in the Water A clock's real face is hidden; only its reflection in still water below is visible. The water swaps top and bottom but not left and right. In the reflection, 6 is at the top, 12 at the bottom, 3 on the right and 9 on the left. The short hour hand points up-left, 55 degrees left of straight up. The long minute hand points down-left, 60 degrees left of straight down. What time does the real clock show? https://riddle10.com/media/2026/10/mirror-clock-no-answer-8a538683.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/paper-punch 2026-10-18 https://riddle10.com/media/2026/10/paper-punch-question-d63f4bd2.png https://riddle10.com/media/2026/10/paper-punch-question-d63f4bd2.png Fold, Fold, Punch A square is folded along both diagonals into a quarter-size triangle, point down, then punched: a circle on the left, an up-pointing triangle on the right. All options keep this top quarter. Right, bottom and left quarters: A: circle above triangle; triangle left, circle right; triangle above circle. B: triangle above circle; circle left, triangle right; triangle above circle. C and D: triangle above circle; triangle left, circle right; circle above triangle. Triangles point outward in A, B and D, up in C. Which pattern appears when opened? https://riddle10.com/media/2026/10/paper-punch-no-answer-485c6669.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/cube-net 2026-10-18 https://riddle10.com/media/2026/10/cube-net-question-5fa369c6.png https://riddle10.com/media/2026/10/cube-net-question-5fa369c6.png Fold the Net Net: a row of three squares, a triangle (tip up), a star, and a half-square (left half solid); an arrow pointing right sits above the star; a ring sits below the half-square, with an upright bar right of the ring. Each option shows a cube's top, left side and right side. A: top half-square, left star, right arrow pointing up. B: top star, left ring, right half-square with its solid half next to the top. C: top star, left triangle pointing up, right ring. D: top bar, left half-square with solid half next to the top, right arrow pointing left. Symbols keep their direction. Which cube folds from this net? https://riddle10.com/media/2026/10/cube-net-no-answer-90c60c15.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/shadow-blocks 2026-10-18 https://riddle10.com/media/2026/10/shadow-blocks-question-276b4c38.png https://riddle10.com/media/2026/10/shadow-blocks-question-276b4c38.png The Lamp and the Wall A lamp shines across cubes stacked on a 4 by 4 base toward a wall. Facing the wall from the lamp side, the four rows run left to right; each row's stack heights, from lamp to wall, are: row 1: 1, 0, 1, 2; row 2: 0, 1, 2, 3; row 3: 0, 1, 0, 0; row 4: 1, 1, 2, 0. Each shadow option is four columns, heights left to right: A 3-2-1-1, B 2-3-1-1, C 2-3-1-2, D 2-2-1-2. Which shadow appears on the wall? https://riddle10.com/media/2026/10/shadow-blocks-no-answer-bad3ee24.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/arrow-path 2026-10-18 https://riddle10.com/media/2026/10/arrow-path-question-a5c1c69f.png https://riddle10.com/media/2026/10/arrow-path-question-a5c1c69f.png Follow the Arrows Each tile in this 5 by 5 grid says where to jump: U, D, L or R, plus 1 or 2 tiles. Row 1: M D1, S D1, E R1, N (ring: stop), D L2. Row 2: G (star, start) R2, M D1, A R2, O L2, R U1. Row 3: G U2, O U2, N D2, G U1, L U2. Row 4: L U1, O U1, D U2, L U1, O L2. Row 5: A U2, A U1, G R2, R U2, L L2. Which word do you spell? https://riddle10.com/media/2026/10/arrow-path-no-answer-08a2113f.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/growing-gaps 2026-10-18 https://riddle10.com/riddle/even-number 2026-10-18 https://riddle10.com/riddle/three-fruits 2026-10-18 https://riddle10.com/riddle/shortest-road 2026-10-18 https://riddle10.com/media/2026/10/shortest-road-question-7de469a7.png https://riddle10.com/riddle/word-grille 2026-10-18 https://riddle10.com/media/2026/10/word-grille-question-824430e6.png https://riddle10.com/riddle/orbit-rings 2026-10-18 https://riddle10.com/media/2026/10/orbit-rings-question-aa8e34b7.png https://riddle10.com/media/2026/10/orbit-rings-question-aa8e34b7.png Three Turning Rings Three rings turn around a centre, each carrying one gem. At step 0 all three gems sit at the top marker. The outer ring has 9 evenly spaced notches, the middle ring 6 and the inner ring 4, and at every step each ring turns by one notch. At which step number are all three gems at the top again? https://riddle10.com/media/2026/10/orbit-rings-no-answer-d8ea3f62.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/color-beam 2026-10-18 https://riddle10.com/media/2026/10/color-beam-question-8c637c63.png https://riddle10.com/media/2026/10/color-beam-question-8c637c63.png Follow the Light On a 6 by 6 grid (rows from the top, columns from the left), a lamp left of row 4 shines right. Mirrors shaped \ sit at r1c1, r2c6, r6c1; mirrors shaped / at r2c3, r4c3, r6c4, r6c6. Panes: blue at r3c1 and r4c4, red at r5c6, yellow at r6c5. Doors: A above column 2, B above column 5, C right of row 2, D below column 4. Colours mix like paint. Which door does the beam light, and in what colour? https://riddle10.com/media/2026/10/color-beam-no-answer-4af0378f.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/jigsaw-fit 2026-10-18 https://riddle10.com/media/2026/10/jigsaw-fit-question-d7b01312.png https://riddle10.com/media/2026/10/jigsaw-fit-question-d7b01312.png One Piece Fits A hole is six squares: a row of four, one square above the second and one below the fourth. Pieces: A, a row of four, one square above the second, one below the third. B, a column of four, one square left of the top, one right of the third. C, a column of four, one right of the top, one left of the third. D, a column of four, one right of the top, one left of the bottom. May turn, never flip. Which piece fills the hole? https://riddle10.com/media/2026/10/jigsaw-fit-no-answer-a4ce9907.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/stacked-sheets 2026-10-18 https://riddle10.com/media/2026/10/stacked-sheets-question-41127f49.png https://riddle10.com/media/2026/10/stacked-sheets-question-41127f49.png Five Sheets, One Pile Five patterned sheets lie in one pile: C with teal stripes, E with red dots, A with green checks, D with purple zigzags and B with a yellow grid. Where they overlap: E lies on top of C. A lies on top of E. D lies on top of C and on top of A. B lies on top of C, E, A and D, and nothing covers B. Which sheet was placed SECOND? https://riddle10.com/media/2026/10/stacked-sheets-no-answer-b8278d75.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/garden-maze 2026-10-18 https://riddle10.com/media/2026/10/garden-maze-question-e099ed86.png https://riddle10.com/media/2026/10/garden-maze-question-e099ed86.png The Stone Garden A square walled maze of 11 by 11 squares. Number its grid lines 0 to 11 from the left (x) and from the top (y). Gates: A in the top edge between x=2 and 3; D in the left edge between y=3 and 4; B in the right edge between y=7 and 8; C in the bottom edge between x=8 and 9. The fountain fills the square between x=5-6 and y=5-6. Among the inner walls, one unbroken wall runs from the bottom edge at (1,11) through (1,7), (3,7), (3,8), (8,8), (8,7), (5,7), (5,5), (6,5), (6,6), (9,6), (9,8), (10,8) to the bottom edge at (10,11). Which gate leads to the fountain? https://riddle10.com/media/2026/10/garden-maze-no-answer-d8c46d99.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/color-filters 2026-10-18 https://riddle10.com/media/2026/10/color-filters-question-d4b1130e.png https://riddle10.com/media/2026/10/color-filters-question-d4b1130e.png Three Glass Panes On a white backing lie three overlapping glass panes: cyan at top left, magenta at top right and yellow lower in the middle. Where cyan and magenta overlap the light looks blue; where cyan and yellow overlap it looks green; where all three overlap it is black. A ? card covers the patch where only magenta and yellow overlap. Which colour hides under the card: A orange, B red, C purple or D brown? https://riddle10.com/media/2026/10/color-filters-no-answer-cb09062b.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/spot-differences 2026-10-18 https://riddle10.com/media/2026/10/spot-differences-question-e2c0bff1.png https://riddle10.com/riddle/connect-dots 2026-10-18 https://riddle10.com/media/2026/10/connect-dots-question-9fef8758.png https://riddle10.com/media/2026/10/connect-dots-question-9fef8758.png Join the Dots Dots numbered 1 to 46 are scattered; only multiples of 3 are joined, in order from 3 to 45 and back to 3. Positions as (across, down), with 0 on the vertical centre line, right positive: 3 (0,0); 6 (2,2); 9 (6,4); 12 (4,6); 15 (5.5,9); 18 (3,13); 21 (5,15); 24 (5.5,17.5). 27 to 45 mirror these on the left: 27 (-5.5,17.5), 30 (-5,15), 33 (-3,13), 36 (-5.5,9), 39 (-4,6), 42 (-6,4), 45 (-2,2). What appears: A a key, B a crescent moon, C a lantern or D a star? https://riddle10.com/media/2026/10/connect-dots-no-answer-64ae95a9.mp4 2026-10-07T12:01:39Z https://riddle10.com/riddle/hidden-letter 2026-10-18 https://riddle10.com/media/2026/10/hidden-letter-question-2cb6613f.png https://riddle10.com/riddle/cipher-wheel 2026-10-18 https://riddle10.com/media/2026/10/cipher-wheel-question-5e229286.png https://riddle10.com/media/2026/10/cipher-wheel-question-5e229286.png Turn the Wheel A cipher wheel has two rings of letters A to Z. The inner ring is turned so that inner A sits under outer K. Each code letter is found on the inner ring, and the real letter is the outer letter above it. The code is SBEKT. Which word is hidden in the code? https://riddle10.com/media/2026/10/cipher-wheel-no-answer-6a69ffe5.mp4 2026-10-07T12:01:39Z