Multiple Choice Questions on 5 Men and 5 Women take seats at random around a table The probability that they are sitting alternat........... for CDS Exam Preparation

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Multiple Choice Questions

5 Men and 5 Women take seats at random around a table The probability that they are sitting alternat...........

Quantitative Aptitude (CDS) Probability
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    5 Men and 5 Women take seats at random around a table. The probability that they are sitting alternately is?

    1/25

    Incorrect Answer

    1/2

    Incorrect Answer

    1/125

    Incorrect Answer

    1/126

    Correct Answer
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    Explanation:

    Total cases n(T) = ( 10 – 1 )! = 9!
    Total favorable cases n(A) = 4! ×5!
    Thus required probability P(A) = 4!×5!/9!
    = 1/126

    By: bhavesh kumar singh
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