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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-31

  • question_answer
    Direction: Choose the correct alter- native from the given ones that will complete the series.
    5, 6, 9, 15, ?, 40

    A)  21                   

    B)  25  

    C)  27                   

    D)  33

    Correct Answer: B

    Solution :

    The pattern is +1, +3, + 6, ......... i.e.,, +1, +(1+2),+(1+2+3),........ So, missing term = 15+ (1 + 2 + 3 + 4) = 25


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