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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-18

  • question_answer
    DIRECTION: In each of the following questions a number series is given with one wrong number. Find that wrong number.
    \[2\text{  }\,\text{  }\,3\text{  }\,\,\,10\text{  }\,\,\,40\text{     }172\text{ }\,\,\text{ }\,885\text{ }\,\,\,\,5346\]

    A)  3                    

    B)  855                             

    C)  40                               

    D)  172                             

    Correct Answer: C

    Solution :

    The series is\[~\times 1+{{1}^{2}},\text{ }\times 2+{{2}^{2}},\times 3+{{3}^{2}}\] and so on.


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