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Ram is visiting a friend . Ram knows tha...

Ram is visiting a friend . Ram knows that his friend has 2 children and 1 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

A

a) 1/2

B

b) 1/3

C

c) 2/3

D

d) 7/10

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