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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 not can solve it.

A

`(2)/(5)`

B

`(3)/(5)`

C

`(1)/(3)`

D

None of these

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The correct Answer is:
A
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TARGET PUBLICATION-PROBABILITY-CRITICAL THINKING (ALGEBRA OF EVENTS , CONCEPT OF PROBABILTIY)
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