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    Question

    Find the wrong number, in the given number series.

    2, 5, 11, 23, 47, 97, 191
    A 2 Correct Answer Incorrect Answer
    B 97 Correct Answer Incorrect Answer
    C 11 Correct Answer Incorrect Answer
    D 47 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let's observe the pattern:
    2 × 2 + 1 = 5

    5 × 2 + 1 = 11

    11 × 2 + 1 = 23

    23 × 2 + 1 = 47

    47 × 2 + 1 = 95, But given is 97

    95 × 2 + 1 = 191

    Wrong number: 97

    Correct number: 95

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