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    Question

    Select the number that can replace the question mark (?)

    in the following series. 17, 20, 15, 22, 13, ?
    A 24 Correct Answer Incorrect Answer
    B 2 Correct Answer Incorrect Answer
    C 4 Correct Answer Incorrect Answer
    D 22 Correct Answer Incorrect Answer

    Solution

    Alternate series is going on in this question, in the first one it is getting (-2) and in the other one it is getting (+2) 17 - 2 = 15 - 2 = 13 20 + 2 = 22 + 2 = 24

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