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WBJEE 2014 Maths Solved Paper

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Question : 23

Total: 80

Ram is visiting a friend. Ram knows that his friend has 2 children and 1 of them is a boy. Assuming that a child isequally likely to be a boy or a girl, then the probability that the other child is a girl, is

1/2
1/3
2/3
7/10

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