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Riddles, one at a time

Which pattern appears when it is opened?

Video · Hard Challenge link
Answer

D

Each fold mirrors the holes across its crease.

What is the SMALLER angle between the hands?

Video · Genius Challenge link
Answer

22.5°

The minute hand is on 9; the hour hand is 3/4 of the way to 10: 3/4 × 30° = 22.5°.

Lemon, Tea and Dates

What is the answer to the last line?

Picture · Medium Challenge link
Answer

25

Lemon 10, cup 5, date 2. Multiply first: 5 + 20 = 25.

Stack the Stones

Which number belongs on the top brick?

Picture · Easy Challenge link
Answer

44

20 - 9 = 11, 13 + 11 = 24, then 24 + 20 = 44.

Which colour hides under the ? card?

Video · Medium Challenge link
Answer

B RED

Magenta stops green, yellow stops blue: red is left.

One Letter Is Hiding

Which letter is hidden in the mosaic?

Picture · Medium Challenge link
Answer

K

Its tiles have 4 points or sides, not 8.

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