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    Question

    Find the wrong number in the given number series.

    12, 13, 68, 29, 220, 51
    A 220 Correct Answer Incorrect Answer
    B 13 Correct Answer Incorrect Answer
    C 51 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    2³ + 4 = 12
    3² + 4 = 13
    4³ + 4 = 68
    5² + 4 = 29
    6³ + 4 = 220
    7² + 4 = 51 51 would be wrong; it should be 53

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