Hard
Geometry Riddles
24 XP

The Circular Prison

7,533 solved 57% solve rate 43% fail rate
100 prisoners sit in a circle. A warden randomly puts a red or blue hat on each. Everyone sees all hats except their own. Simultaneously, each must guess their hat. What strategy maximizes correct guesses?
Only 57% solve this correctly
7,533 attempts
Earn +24 XP for solving
Quick Answer & Explanation
Each person guesses the

The answer to this riddle is Each person guesses the. Difficulty: Hard · Solved by 7,533 puzzle lovers.

Each person guesses the color they see LEAST on others. This guarantees at least 50 correct guesses (if 50-50 split, exactly 50; if uneven, more).
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