1.

A and B are two students. Their chances of solving a problem correctly are 13 and 14 respectively. If the probability of their making common error is 120 and they obtain the same answer, then the probability of their answer to be correct is(a) 1013 (b) 13120 (c) 140 (d) 112

Answer» A and B are two students. Their chances of solving a problem correctly are 13 and 14 respectively. If the probability of their making common error is 120 and they obtain the same answer, then the probability of their answer to be correct is

(a) 1013 (b) 13120 (c) 140 (d) 112


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