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SSC Sample Paper SSC CGL - Sample Paper-6

  • question_answer
    For all integral values of n, the largest number that exactly divides     each    number    of    the    sequence \[(n-1)n(n+1),\] \[n(n+1)(n+2),\] \[(n+1)(n+2)(n+3),...\] is

    A)  12                               

    B)  6

    C)  3                                

    D)  2

    Correct Answer: D

    Solution :

    The largest number will be 6. For                    \[n=2\]             \[(n-1)n(n+1)=6,\] For \[n=3,\] \[(n-1)(n)(n+1)=24\,etc.\]


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