New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Find the wrong number in the series. 2, 4,

    12, 10, 30, 16, 56
    A 4 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 16 Correct Answer Incorrect Answer
    D 56 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Odd positions: ×2, ×3, ×4 → 2, 6, 24

    Even positions: +2, +4, +6 → 4, 8, 14

    So series should be: 2, 4, 6, 8, 24, 14, 56

    16 is wrong, should be 14

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