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If X and Y be two events such that P(X/Y) = 1/2, P(Y/X) = 1/3 and P(X ∩ Y) = 1/6 then P(X ∪ Y) is … (a) 1/3 (b) 2/5 (c) 1/6 (d) 2/3

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If X and Y be two events such that P(X/Y) = 1/2, P(Y/X) = 1/3 and P(X ∩ Y) = 1/6 then P(X ∪ Y) is …

(a) 1/3

(b) 2/5

(c) 1/6

(d) 2/3

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Answer is (d) 2/3

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