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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-16

  • question_answer
    DIRECTION: In each of the following questions, a number series is given in which one number is wrong. You have to find out that number and have to follow the new series which will be started by that number. By following this, which will be the third number of the new series?
    \[2\text{  }\,\text{ }9\text{  }\,\,5\text{    }36\text{ }\,\,\text{  }125\text{ }\,\,\text{ }\,648\text{    }3861\]

    A)  12                  

    B)  11                               

    C)  75                  

    D)         None of these               

    Correct Answer: D

    Solution :

    The series is \[\times 1+7,\times 2-11,\times 3+15....\]


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