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

    Question

    A number is initially increased by 30% and then reduced

    by 25%. What is the overall percentage change in the number?
    A 3.5% increase Correct Answer Incorrect Answer
    B 1.5% decrease Correct Answer Incorrect Answer
    C 2.5% decrease Correct Answer Incorrect Answer
    D 3.5% decrease Correct Answer Incorrect Answer
    E 2.5% increase Correct Answer Incorrect Answer

    Solution

    Let the original number be '100m' Final number = 100m X 1.3 X 0.75 = 97.5m Therefore, required percentage decrease = [(100m - 97.5m) ÷ 100m] X 100 = (2.5/100) X 100 = 2.5%

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