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    The missing number in the series 28, 33, 31 ?, 34,39 is
    Question

    The missing number in the series 28, 33, 31 ?, 34,39 is

    A.

    36

    B.

    34

    C.

    35

    D.

    37

    Correct option is A

    Information Given:
    28, 33, 31, ?, 34, 39
    Logic: Odd positions and Even positions follow separate +3 pattern
    Split into two sequences
    Odd places (1,3,5): 28 → 31 → 34 (+3, +3) ✔
    Even places (2,4,6): 33 → ? → 39 (+3, +3)
    So ? = 33 + 3 = 36
    Final Answer:
    36
    Final Correct Option:
    A

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