Riddles, one at a time
Five Words Share a Secret
Five of these words share a secret. Which one does not?
Look for words inside the words.
THREAD
The others hide ONE, NINE, ONE, TWO and TEN. THREAD only looks like it hides THREE.
Two Candles: 32 cm and 22 cm
After how many hours are they the same height?
Find the gap at the start, then how much it closes each hour.
5 hours
After 5 h: A is 32 − 20 = 12 cm, B is 22 − 10 = 12 cm.
Open the Tap
Valves stay as shown. Which jar fills with water?
JAR C
Every other route ends at a closed valve.
Glass Overlay: Slide and Cancel
Which card completes the grid?
Lines that appear on both cards disappear; all the other lines stay.
B
In each row, lines on both cards cancel and the rest stay. Row 3 gives card B.
What Am I? Roads Without Cars
Which object fits all three clues?
A globe shows roads and rivers too. Can it fold into a pocket?
Map
Its roads have no cars, its rivers have no water, and it folds into a pocket: A.
The Lake Word
Only one word looks the same in the lake. Which one?
Which letters look the same when flipped top to bottom?
CHOICE
Every letter of CHOICE is the same top and bottom, so the water cannot change it.