JEE Main 2022 Mathematics question

MathematicsProbabilityJEE Main 2022

Bag A contains 2 white, 1 black and 3 red balls and bag B contains 3 black, 2 red and n white balls. One bag is chosen at random and 2 balls drawn from it at random, are found to be 1 red and 1 black. If the probability that both balls come from Bag A is 6/11, then n is equal to .

Answer: (3)

Solution

P(1R, 1B | and P(1R, 1B | = 6ยท2/((n +

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Question ID VK-024133