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    Question

    What should come in place of question mark ‘?’ in the following number series?

    2        3        5         9        ?         33

    A 13 Correct Answer Incorrect Answer
    B 21 Correct Answer Incorrect Answer
    C 17 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    2 + 20 = 3 3 + 21 = 5 5 + 22 = 9 9 + 23 = 17 17 + 24 = 33

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