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A Queen's decree (Posted on 2002-05-03) Difficulty: 4 of 5
A Queen of an island kingdom was concerned about the high level of infidelity among the island's men, so she gathered all the married women of the island and made the following announcement:

"There is at least one unfaithful husband in our kingdom. All the wives know of all the unfaithful husbands, but know nothing about their own husband. You are not allowed to discuss your husband with any of the other women, but if it becomes known to you that your man is unfaithful, you must shoot him at midnight of the following night."

(Assume a shot anywhere on the island is heard at any other point on the island.)

After thirty nine nights of uneasy quiet, on the fortieth night the gunshots echoed across the island. How many men were shot that night, and why? (Assume the wives are all super smart.)

See The Solution Submitted by levik    
Rating: 4.2857 (14 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionSolution (with objection to that posted)Dej Mar2010-06-23 10:38:12
SolutionSolutionassaf2007-01-13 11:12:10
SolutionSolutionLewis2003-08-04 23:16:51
a tryubergeek2002-12-25 21:46:02
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