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A bag contains 4 red and 4 black balls, ...

A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and a ball is drawn from the bag which is found to be red. Find the probability that the ball is drawn from the first bag.

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The correct Answer is:
`(2)/(3)`
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