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Usenet Newsgroups : rec.puzzles Hall of Fame


The 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.

   
rec.puzzles
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Hall of Fame
alt.brain.teasers
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FAQ
Categories : probability : gerrymander.p

You have two urns and 100 marbles, 50 white and 50 black.  You wish to
maximize the odds that someone picking a marble at random from one of
the urns will pick a black marble.  How do you do so, and what are the
maximum odds?



Solution


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