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A college student has to appear for two ...

A college student has to appear for two examinations A and B. The probabilities that the student passes in A and B are 2/3 and 3/4 respectively. If it is known that the student passes at least one among the two examinations, then the probability that the student will pass both the examination is (A) 1/6 (B) 1/2 (C) 1/3 (D) 6/11

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