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Riddles, one at a time

Which card do you get?

Video · Hard Challenge link
Answer

B

Flip left-right first, then a quarter turn clockwise: card B.

What fraction of the square is gold?

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Answer

5/8

The 4 corner triangles are 3 × 1 ÷ 2 each: 6 of 16 squares. Gold is 10/16 = 5/8.

Stack the Stones

Which number belongs on the top brick?

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Answer

44

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

How many more km until the next mirror number?

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Answer

110 km

The next mirror number is 16061: 16061 − 15951 = 110.

One Is Mirrored

Which tile is a mirror image?

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Answer

E

Turn every tile upright: only E faces the wrong way.

The Brass Grilles

Read the holes row by row. Which grille shows a real word, and what is it?

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Answer

B: MAPLE

Read the holes row by row, left to right.

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