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    Question

    A number is increased by 45% and then decreased by 30%.

    What is the overall percentage change (increase or decrease) in the number?
    A 1.5% increase Correct Answer Incorrect Answer
    B 2.5% increase Correct Answer Incorrect Answer
    C 2.5% decrease Correct Answer Incorrect Answer
    D 1.5% decrease Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the number be '100y' Final number = 1.45 X 0.7 X 100y = 101.5y Therefore, percentage increase = [(101.5y - 100y) ÷ 100y] = 1.5%

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