SSC Sample Paper SSC (Group-C) Sample Test Paper-7

  • question_answer
    The wrong (misfit) number of the sequence 4, 9, 25, 49, 121, 144 is

    A)  144                

    B)  121

    C)  49               

    D)       4

    Correct Answer: A

    Solution :

     The pattern of the sequence is: \[{{2}^{2}},{{3}^{2}}\text{, }{{5}^{2}}\text{, }{{7}^{2}}\text{,1}{{\text{1}}^{2}}\text{, }{{13}^{2}}\]or. squares of first 6 consecutive prime numbers. Hence, 144 should be replaced by 169.


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