# The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.

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 [quote="Ghost Post"]Greetings again, I've posted the solution to the trivial Baby Boomers and a not-so-trivial new puzzle in the Puzzles section. Give it a look. I'm not doing so well on the responding to emails front. Remember, before sending me a question, try posting it in our Discussion Forums. There are people there who know a lot more than I do. Okay, all for now! Kevin Lin Resident Minotaur [/quote]
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Ghost Post
Posted: Wed Jul 25, 2001 8:25 pm    Post subject: 1

I noticed that too. The answer remains the same, but for a different reason then what Kevin stated. The series adds up to 1, not .5. Since it represents the number of expected girls per family, and it is equal to the expected number of boys per family by definition, the resulting ratio is 1:1.
mole
Posted: Fri Jun 01, 2001 11:19 pm    Post subject: 0

Shouldn't the expected number of daughters be 1, not 0.5?
Ghost Post
Posted: Fri Jun 01, 2001 8:14 pm    Post subject: -1

Greetings again, I've posted the solution to the trivial Baby Boomers and a not-so-trivial new puzzle in the Puzzles section. Give it a look.
I'm not doing so well on the responding to emails front. Remember, before sending me a question, try posting it in our Discussion Forums. There are people there who know a lot more than I do.

Okay, all for now!

Kevin Lin
Resident Minotaur