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Question

A family has 4 children. A child is selected at random from the family. Assuming that there are equal number of boys and girls in the family, the probability that the selected child is a girl is

A
16
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B
14
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C
23
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D
None of these
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Solution

The correct option is C None of these
Let's denote girls with G and boys with B
since the no. of boys and girls are equal P(G)=P(B)=0.5
hence P(G)=12
Hence the correct answer is D

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