New Enroll in RBI Gr B 2025 Exclusive New Batch on March 18

    Question

    Find the wrong number in the given number series.

    18, 27, 54, 135, 400,

    1417.5
    A 1417.5 Correct Answer Incorrect Answer
    B 400 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 135 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,
    18 X 1.5 = 27

    27 X 2 = 54

    54 X 2.5 = 135

    135 X 3 = 405

    405 X 3.5 = 1417.5

    Therefore, 405 should come in place of 400

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