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The independent probabilities that A, B and C solve a mathematical problem are 1/3, 1/3 and 1/4, respectively.

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The independent probabilities that A, B and C solve a mathematical problem are 1/3,  1/3 and 1/4, respectively. Find the probability that just two of them only solve the problem. 

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Given that

P(A) = 1/3, P(B) = 1/3, P(C) = 1/4

and A, B, C are independent events.

The problem gets solved by any two of them solving but the third one fails

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