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    1. Home
    2. Questions
    3. Quantitative Aptitude
    4. Wrong Series
    5. In the given number series, find the wrong number. 81, 27, 9, 6, 1, 1/3, 1/9

    Question

    In the given number series, find the wrong number.

    81, 27, 9, 6, 1, 1/3, 1/9
    A 9 Correct Answer Incorrect Answer
    B 1 Correct Answer Incorrect Answer
    C 81 Correct Answer Incorrect Answer
    D 6 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Pattern seems: ÷3

    81 ÷ 3 = 27

    27 ÷ 3 = 9

    9 ÷ 3 = 3, but here it is 6 ❌

    → So 6 is wrong.

    Practice Next
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