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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 45

  • question_answer
    The total number of matrices formed with the help of 6 different numbers are-

    A) 6!              

    B)                    3(6)!

    C) 2(6)!                 

    D)        4(6)!

    Correct Answer: D

    Solution :

    [d] The following types of matrices can be formed with the help of 6 different numbers.
    (i) \[6\times 1\]                           
    (ii) \[3\times 2\]
    (iii) \[2\times 3\]             
    (iv) \[1\times 6\]
    (order of matrix) Now number of matrices of there orders is 6! so, total no. of matrices are 4(6)!


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