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    Question

    Find the wrong number in the given number series.

    5, 11, 21, 41, 65, 95
    A 5 Correct Answer Incorrect Answer
    B 11 Correct Answer Incorrect Answer
    C 65 Correct Answer Incorrect Answer
    D 21 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    5 + (6 × 1) = 11

    11 + (6 × 2) = 23

    23 + (6 × 3) = 41

    41 + (6 × 4) = 65

    65 + (6 × 5) = 95

    So, 21 is incorrect and should be 23.

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