Two brother X and Y appeared for an exam. The probability of selection of X is 1/7 and that of B is 2/5. Find the probability that both of them are selected.  Choose the correct choice from the following choices:	A) 2/69	B) 2/60	C) 2/63	D) 2/35	E) 2/38
Explanation:   Let A be the event that X is selected and B is the event that Y is selected.   P(A) = 1/7, P(B) = 2/5.   Let C be the event that both are selected.   P(C) = P(A) Ã— P(B) as A and B are independent events:   = (1/7) Ã— (2/5) = 2/35   Answer: 2/35) 2/35
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Two brother X and Y appeared for an exam. The probability of selection of X is 1/7 and that of B is 2/5. Find the probability that both of them are selected.