New Enroll here to Join NaBFID Analyst Into Class on May 6

    Question

    Find the wrong number in the series. 5, 12, 23,

    38, 57, 80, 107
    A 12 Correct Answer Incorrect Answer
    B 23 Correct Answer Incorrect Answer
    C 5 Correct Answer Incorrect Answer
    D 57 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Pattern:

    +7, +11, +15, +19, +23, +27

    (Correct series: 5, 12, 23, 42, 65, 92, 121)

    23 → wrong, should be 23 → 12 + 11 = 23 ✔, but next term violatespattern.

    Actually, 23 is incorrect as it breaks the consistent increment.

    Practice Next

    Relevant for Exams: