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Given two bags A and B as follows : Bag A contains 3 red and 2 white balls and bag B contains 2 red and 5 white balls. A bag is selected at random, a ball is drawn and put into the other bag, then a ball is drawn from the second bag. The probability that both balls drawn are of the same colour is

A

`187/1680`

B

`901/1680`

C

`439/1680`

D

None of these

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The correct Answer is:
B
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DISHA PUBLICATION-PROBABILITY -2-EXERCISE - 1 : CONCEPT BUILDER
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