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    Question

    Find the missing number in the given number series.

    1, 2, 6, 24, 120, ?
    A 720 Correct Answer Incorrect Answer
    B 655 Correct Answer Incorrect Answer
    C 795 Correct Answer Incorrect Answer
    D 728 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    This is factorial series:
    1! = 1

    2! = 2

    3! = 6

    4! = 24

    5! = 120

    6! = 720

    Hence, missing number is 720

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