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 Newsgroup FAQ Hall of Fame alt.brain.teasers Newsgroup FAQ

Suppose that it is equally likely for a pregnancy to deliver
a baby boy as it is to deliver a baby girl.  Suppose that for a
large society of people, every family continues to have children
until they have a boy, then they stop having children.
After 1,000 generations of families, what is the ratio of males
to females?

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