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Three persons work independently on a pr...

Three persons work independently on a problem. If the respective probabilities that they will solve it are 1/3, 1/4 and 1/5, then find the probability that none can solve it.

A

1) `(2)/(5)`

B

2) `(3)/(5)`

C

3) `(1)/(3)`

D

4) None of these

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The correct Answer is:
A
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