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CHOOSE the correct answer from the following alternative :`P(A)=3/7`,`P(B)=4/7` and `P(A nn B)=2/9` , then the value of P(A/B) is equal to-

A

`7/18`

B

`14/21`

C

`5/18`

D

`4/9`

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UNITED BOOK HOUSE-SET 13-EXERCISE
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