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    Question

    What will come in place of the question mark (?) in the

    following series? 20, ?, 30, 60, 150, 450
    A 20 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 46 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The given series follows the following pattern:

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