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A box contains 2 blue, 3 green and 5 red balls . If three balls are drawn at random , what is the probability that all balls are different in color ?

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A box contains 2 blue, 3 green and 5 red balls . If three balls are drawn at random , what is the probability that all balls are different in color ? A. 3 10 B. 1 4 C. 3 7 D. 4 11 Select the correct answer from above options

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Correct Answer - B Total balls = 10 so probability = 2C1×3C1×5C1 10C3 = 1 4

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