Question

    Find the wrong number in the given number series.

    30, 39, 23, 47, 12, 61
    A 39 Correct Answer Incorrect Answer
    B 47 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 61 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    30 + (3)² = 39

    39 - (4)² = 23

    23 + (5)² = 48

    48 - (6)² = 12

    12 + (7)² = 61

    So, 48 should be in place of 47.

    Practice Next

    Relevant for Exams: