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    Question

    In a box there are 8 red, 7 blue, and 6 green balls. One

    ball is picked up randomly. What is the probability that it is neither red nor green?
    A 7/19 Correct Answer Incorrect Answer
    B 7/25 Correct Answer Incorrect Answer
    C 7/21 Correct Answer Incorrect Answer
    D 8/27 Correct Answer Incorrect Answer

    Solution

    Total number of balls = 21 Probability of a ball is neither red nor green = 7C1/ 21C1 = 7/21

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