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    Question

    Find the wrong number in the following series.

    163, 126, 78, 52, 23, 10
    A 163 Correct Answer Incorrect Answer
    B 78 Correct Answer Incorrect Answer
    C 23 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, 13² − 6 = 163 11² + 5 = 126 9² − 4 = 77 7² + 3 = 52 5² − 2 = 23 3² + 1 = 10 Therefore, 77 will come in place of 78

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