Multiple Choice Questions on A box contains 7 white 9 violet and 10 brown balls A ball is drawn at random What is the probability........... for CDS Exam Preparation

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Multiple Choice Questions

A box contains 7 white 9 violet and 10 brown balls A ball is drawn at random What is the probability...........

Quantitative Aptitude (CDS) Probability
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    A box contains 7 white, 9 violet, and 10 brown balls. A ball is drawn at random. What is the probability that the ball drawn is not white?

    11/57

    Incorrect Answer

    19/26
     

    Correct Answer

    13/19
     

    Incorrect Answer

    11/20

    Incorrect Answer
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    Explanation:

    n (white) =7
    Total outcome=7+9+10=26
    P(white)=7/26
    P (not-white) = (1 –7/26 )
    =19/26

    By: bhavesh kumar singh
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