Railways Sample Paper RRB (Group D) Sample Test Paper-13

  • question_answer
    DIRECTION: In each of these questions a number series is given. Only one number is wrong in each series. You have to find out the wrong number.
    \[\begin{matrix}    3 & 2 & 3 & 6 & 12 & 37.5 & 115.5  \\ \end{matrix}\]

    A)  37.5                

    B)  12

    C)  6                    

    D)  2

    Correct Answer: B

    Solution :

    [b] The series is \[\times \text{ }0.5+0.5,\,\,\times \text{ 1}+1,\,\,\times 1.5+1.5....\]hence, 12 is wrong. It should be 14.


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