Insight · ★★☆☆☆ · ~7 min
The Cheating Husbands
A village of perfect logicians and 10 cheaters. Which night are they caught?
by MindYourPuzzle
A town has 100 married couples. Some husbands cheat. Every wife knows which other husbands cheat — but not her own. When a wife is certain her husband cheated, she kicks him out at midnight. The mayor announces: "At least one husband in this town is cheating." Nothing happens for 9 nights. On night 10, several husbands are kicked out simultaneously.
How many?
night
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