Railways Sample Paper RRB (Group D) Sample Test Paper-14

  • question_answer
    Three of the following four are alike in a certain way and hence form a group. Which one of the following does not belong to that group?

    A)  126                 

    B)  122

    C)  65                   

    D)  50

    Correct Answer: A

    Solution :

    [a] The rest are based on the expression \[{{x}^{2}}+1.\] But \[126={{11}^{2}}+5\]


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