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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-18

  • question_answer
    In the following question, a series has been given with one term missing. Choose the correct alternative from the given ones that will complete the series. \[7,\,\,25,\,\,61,\,\,121,\text{ }\underline{?}\]

    A) 210                              

    B) 211

    C) 212                              

    D) 209

    Correct Answer: B

    Solution :

     \[{{2}^{3}}-1=7\] \[{{3}^{3}}-2=25\] \[{{4}^{3}}-3=61\] \[{{5}^{3}}-4=121\] Similarly, \[{{6}^{3}}-5=\underline{\mathbf{211}}\]


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