Hard
Hard Logic Riddles
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The Paradise Island

1,546 solved 74% solve rate 26% fail rate
On an island, married couples know each others infidelity but not their own. A visitor announces at least one husband is unfaithful. After 10 days of no divorces, on day 11, some couples divorce simultaneously. How many unfaithful husbands?
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Quick Answer & Explanation
11. Each wife of

The answer to this riddle is 11. Each wife of. Difficulty: Hard ยท Solved by 1,546 puzzle lovers.

11. Each wife of an unfaithful husband sees 10 others. If only 10, divorces would happen on day 10. Since nothing happened on day 10, each wife realizes there must be 11 (including her own husband), and all 11 divorce on day 11.
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