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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-7

  • question_answer
    Direction: In question, select the related letter/word/number from the given alternatives.
    31 : 23 : : 5 : ?

    A)  11                               

    B)  21

    C)  16                               

    D)  4

    Correct Answer: C

    Solution :

     The related numbers are prime numbers


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