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    Question

    What should come in place of the question mark (?) in the following number series?

    12, 24, 72, 288, 1440,

    ?
    A 8640 Correct Answer Incorrect Answer
    B 8740 Correct Answer Incorrect Answer
    C 8750 Correct Answer Incorrect Answer
    D 8650 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    12×2 = 24 24×3 = 72 72×4 = 288 288×5 = 1440 1440×6 = 8640

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