Question

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

    17 ? 33 44 57

    72
    A 44 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 24 Correct Answer Incorrect Answer
    D 42 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    17 + 7 = 24 24 + 9 = 33 33 + 11 = 44 44 + 13 = 57 57 + 15 = 72

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