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Riddles, one at a time

What day is today?

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Answer

Wednesday

Two days back from Friday: Thursday, then Wednesday.

Which gate leads to the fountain?

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Answer

GATE C

Every other gate is sealed off by a stone wall.

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 number is the BIGGEST?

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Answer

CX

XC = 90, LX = 60, CX = 110, XL = 40. CX wins.

How long to cut the log into 5 pieces?

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Answer

8 minutes

5 pieces need only 4 cuts: 4 × 2 = 8 minutes.

What fraction of the square is gold?

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Answer

3/8

Each triangle is half a quarter: 3 × 1/8 = 3/8.

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