Ratio of Boys and Girls Puzzle-Asked in Google and Goldman Sachs interviews.

Question:

In a country where everyone wants a kid with a specific gender (assuming only 2 genders), each family continues having babies till they have a kid with the expected gender. After some time, what is the proportion of boys to girls in the country? (Assuming probability of having a boy or a girl is the same)

Solution: 1.00

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