If A and B are mutually exclusive events...

If A and B are mutually exclusive events and if
`P(B) = (1)/(3), P(A cup B) = (13)/(21)`, then find P(A)

A

`(1)/(7)`

B

`(4)/(7)`

C

`(2)/(7)`

D

`(5)/(7)`

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The correct Answer is:

C

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