Multiple Choice Questions on A bag contains 4 black shirts 3 yellow shirts and 5 red shirts if 2 shirts are drawn randomly What i........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A bag contains 4 black shirts 3 yellow shirts and 5 red shirts if 2 shirts are drawn randomly What i...........

Quantitative Aptitude ( CCS) Probability
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    A bag contains 4 black shirts , 3 yellow shirts and 5 red shirts, if 2 shirts are drawn randomly, What is the probability both of them are black?

    12/5

    Incorrect Answer

    11

    Incorrect Answer

    1/12

    Incorrect Answer

    1/11

    Correct Answer
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    Explanation:

    Answer
    1/11
    Explanation :
    12C2 = 12*11/2 = 66
    4C2 = 4*3/2 = 12/2 = 6
    P = 6/66 = 1/11

    By: Sandeep Dubey
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