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    Question

    Find the wrong number in the given number series.

    12, 20, 31, 45, 62, 84
    A 12 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 84 Correct Answer Incorrect Answer
    D 62 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let's observe the pattern:

    12 + 8 = 20,

    20 + 11 = 31,

    31 + 14 = 45,

    45 + 17 = 62,

    62 + 21 = 83.

    So, 84 should be 83.

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