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Probability of solving of sum correct...

Probability of solving of sum correctly by A ,B and C is `(1)/(2),(1)/(3)` and `(1)/(5)` respectively. The probability that at least one of them solves it correctly is

A

1) `(11)/(15)`

B

2) `(4)/(15)`

C

3) `(1)/(20)`

D

4) `(19)/(20)`

Text Solution

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The correct Answer is:
A
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