Question

    A basket contains 4 yellow balls, 10 green balls, and 6

    white balls. If two balls are taken out one after another without putting the first one back, find the probability that both balls are green.
    A 2/37 Correct Answer Incorrect Answer
    B 7/23 Correct Answer Incorrect Answer
    C 9/38 Correct Answer Incorrect Answer
    D 5/27 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Total number of balls in the basket = 4 + 10 + 6 = 20

    Number of green balls = 10

    Probability that both balls are green = ¹⁰C₂/²⁰C₂ = 45/190 = 9/38

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