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    Question

    The price of an item is first raised by 50% and then

    reduced by 40%. Find the overall percentage change in the price.
    A 15% increase Correct Answer Incorrect Answer
    B 12% decrease Correct Answer Incorrect Answer
    C 10% decrease Correct Answer Incorrect Answer
    D 18% increase Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the price be '100b'

    Final price = 1.50 × 0.60 × 100b = '90b'

    Required percentage decrease = [(100b - 90b) ÷ 100b] × 100 = 10%

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