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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-1

  • question_answer
    In this question, you have to find the missing number from the given alternatives.
    2, 6, 12, 20,..., 42, 56, 72, 90

    A)  20                   

    B)  21

    C)  30                   

    D)  12

    Correct Answer: C

    Solution :

    Series moves with the increasing difference by 2, i.e. 4, 6, 8, 10, 12...... Therefore, the missing number will be 30.
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