Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-25

  • question_answer
    Direction: In each question given below three of the following four are alike in a certain way and so form a group. Which one does not belong to that group?

    A)  53                   

    B)  101

    C)  87       

    D)  151

    Correct Answer: C

    Solution :

    Except 87, all others are prime numbers.


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