SSC Sample Paper SSC CGL - Sample Paper-2

  • question_answer
    Find the wrong number in the series 1, 3, 12, 25, 48

    A)  3                                

    B)  12

    C)  25       

    D)  48

    Correct Answer: C

    Solution :

    The terms of the series are \[({{1}^{2}}-{{0}^{2}}),\] \[({{2}^{1}}-{{1}^{2}}),\] \[({{4}^{2}}-{{2}^{2}}),\] \[({{6}^{2}}-{{3}^{2}})\] and \[({{8}^{2}}-{{4}^{2}}).\] so 25 is wrong and it must be replaced by \[({{6}^{2}}-{{3}^{2}})\] i.e., 27.


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