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    Question

    Find the wrong number in the given number series.

    2, 6, 24, 121, 720, 5040
    A 2 Correct Answer Incorrect Answer
    B 720 Correct Answer Incorrect Answer
    C 121 Correct Answer Incorrect Answer
    D 5040 Correct Answer Incorrect Answer
    E 24 Correct Answer Incorrect Answer

    Solution

    ATQ,
    1! = 1
    2! = 2
    3! = 6
    4! = 24
    5! = 120, not 121
    6! = 720
    7! = 5040
    Hence, 121 is incorrect. It should be 120.

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