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    Question

    An original figure is first enhanced by 25% and then

    reduced by 10%. What is the final overall percentage change?
    A 23.2% increase Correct Answer Incorrect Answer
    B 16.4% decrease Correct Answer Incorrect Answer
    C 21.5% increase Correct Answer Incorrect Answer
    D 12.5% decrease Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the original figure be 100b

    Final figure = 1.25 × 0.90 × 100b = 112.5b

    Overall percentage change = [(112.5b - 100b) ÷ 100b] × 100 = 12.5% increase

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