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Bag A contains 3 red and 2 black balls, ...

Bag A contains 3 red and 2 black balls, while bag B contains 2 red and 3 black balls. A ball drawn at random from bag A is transferred to bag B and one ball is drawn at randon from bag B. If this ball was found to be red ball, find the probability that the ball drawn from bag A was red.

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The correct Answer is:
`(9)/(13)`
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