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A bag contains 4 white and 5 black balls...

A bag contains 4 white and 5 black balls. Second bag contains 6 white and 7 black balls. A ball is transferred from first bag to second and then a ball is drawn from the second bag. Find the probability that this ball drawn is balck.

A

`29//63`

B

`34//63`

C

`7//13`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
NA
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