Usenet Newsgroups : rec.puzzles Hall of FameThe rec.puzzles Hall of Fame is a compilation of over 500 of the most popular puzzles that have been posted and discussed in the rec.puzzles newsgroup. In most cases a detailed solution has been provided. Many of these puzzles also appear in Braingle's own collection. |
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What is the minimum number of condoms required for safe sex in each case: (a) two men with two women (b) one man with three women or three men with one woman (c) three men with each other (d) 2k+1 men with one woman (e) m men and n women
Solution
