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MHT CET Mathematics question

MathematicsProbabilityMHT CET

Ram is visiting a friend. Ram knows that his friend has children and of them is a boy. Assuming that a child is equally likely to be a boy or a girl, then the probability that the other child is a girl is

Answer: (C)

Solution

With at least one boy, the sample space is (each equally likely). The other child is a girl in and , i.e.

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Question ID VK-027614