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    Question

    Find the wrong number in the given number series.

    7, 15, 29, 49, 75, 107
    A 49 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 7 Correct Answer Incorrect Answer
    D 29 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    7 + (8 × 1) = 15

    15 + (8 × 2) = 31

    31 + (8 × 3) = 55

    55 + (8 × 4) = 87

    87 + (8 × 5) = 127

    So, 29 is incorrect and should be 31.

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