Question

There are two boxes namely box 1 and box to box on contains 3 red and 6 black balls box contains 5 red and black balls one of the two boxes box on the box to is selected at random and a ball is drawn at random the ball drawn is found to be read with the probability that is red ball comes out from box 2 is 1/3 find the value of n

Answer 1

5 is the value of n

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