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    Question

    Find the wrong number in the given number series.

    7, 9, 16, 12, 25, 15, 36
    A 15 Correct Answer Incorrect Answer
    B 9 Correct Answer Incorrect Answer
    C 36 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Alternate addition pattern:

    7 → +2 → 9

    9 → +7 → 16

    16 → -4 → 12

    12 → +13 → 25

    25 → -10 → 15 ← Wrong

    Correct should be:

    25 → -6 → 19

    19 → +17 → 36

    Practice Next
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