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Riddles, one at a time

Twelve Glowing Dots

How many squares can you make by joining 4 dots?

Picture · Genius Challenge link
Answer

11

5 upright squares and 6 tilted ones.

Which card completes the grid?

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Answer

D

In each row, only lines on both cards stay. Row 3 gives card D.

What fraction of the square is gold?

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Answer

2/3

The dark part is 1 middle square + 4 halves = 3 of 9 squares, so gold is 6/9 = 2/3.

Three chests: gold, silver and bronze. The treasure is in one of them. Exactly one of these labels is true. Gold: 'The treasure is in here.' Silver: 'The treasure is not in here.' Bronze: 'The treasure is not in the gold chest.' Which chest holds the treasure?

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Answer

SILVER

If it were in gold or bronze, two labels would be true. Only silver leaves exactly one true label (bronze's).

Full explanation on the blog

Which card do you get?

Video · Easy Challenge link
Answer

D

Rotate 180°: the top row lands at the bottom, reversed. Card D.

Which of the four words types the same number as BOOK?

Video · Medium Challenge link
Answer

COOK

B and C share key 2, so BOOK and COOK both type 2665.

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