Multiple Choice Questions on An urn contains 6 maroon 3 pink and 4 white balls If three balls are drawn What is the probability t........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

An urn contains 6 maroon 3 pink and 4 white balls If three balls are drawn What is the probability t...........

Quantitative Aptitude ( CCS) Probability
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    An urn contains 6 maroon, 3 pink and 4 white balls. If three balls are drawn What is the probability that all are pink or white?

    11/328
    Incorrect Answer

    5/286

    Correct Answer

    7/212

    Incorrect Answer

    9/127

    Incorrect Answer
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    Explanation:

    P =3C3/13C3 + 4C3/13C3
    = 1/286 + 4/286 = 5/286

    Hence, option 2 is the correct answer.

    By: Amit Kumar
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