Multiple Choice Questions on Three boys of class X 4 boys of class XI and 5 boys of class XII sit in a row Total number of ways i........... for 11th Standard Preparation

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Multiple Choice Questions

Three boys of class X 4 boys of class XI and 5 boys of class XII sit in a row Total number of ways i...........

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    Three boys of class X, 4 boys of class XI and 5 boys of class XII sit in a row. Total number of ways in which these boys can sit so that all the boys of same class sit together, is equal to

     

    (3!)^{2}(4!)(5!)

    Correct Answer

    (3!)(4!)^{2}(5!)

    Incorrect Answer

    (3!)(4!)(5!)

    Incorrect Answer

    (3!)(4!)(5!)^{2}

    Incorrect Answer
    Explanation:

    (3!)^{2}(4!)(5!)

    By: Swaminath Yadav
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