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

    Question

    What will come in place of the question mark (?) in the following series?

    4, 9, 24, 69, ?,

    609
    A 500 Correct Answer Incorrect Answer
    B 305 Correct Answer Incorrect Answer
    C 170 Correct Answer Incorrect Answer
    D 204 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ;

    4 X 3 - 3 = 9

    9 X 3 - 3 = 24

    24 X 3 - 3 = 69

    69 X 3 - 3 = 204

    204 X 3 - 3 = 609

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