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    Select the number that can replace the question mark (?) in the following series. 1, 1, 2, 4, 6, 36, 42, ?
    Question

    Select the number that can replace the question mark (?) in the following series.
    1, 1, 2, 4, 6, 36, 42, ?

    A.

    1664

    B.

    1764

    C.

    168

    D.

    48

    Correct option is B

    Given:
    1, 1, 2, 4, 6, 36, 42, ?
    1 + 0 = 1
    12 = 1
    1 + 1 = 2
    22 = 4
    4 + 2 = 6
    62 = 36
    36 + 6 = 42
    422 = 1764
    Correct answer is (b) 1764.

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