Question

    If the length of a rectangle is increased by 40% and its breadth is decreased by 25%, then the area of the rectangle will be increased or decreased by how much percent?

    A 9% decreased Correct Answer Incorrect Answer
    B 4% increased Correct Answer Incorrect Answer
    C 5% increased Correct Answer Incorrect Answer
    D 10% decreased Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    According to the question Percentage change in Area = x – y – xy/100 = 40 – 25 – 40 × 25/100 = 15 – 10 = 5% The area of the rectangle will be increased by 5%.

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