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    Question

    If the length of a rectangle is increased by 25% and its

    breadth is decreased by 15%, then the area of the rectangle will be increased or decreased by how much percent?
    A 10.25% Correct Answer Incorrect Answer
    B 2.25%. Correct Answer Incorrect Answer
    C 5.25%. Correct Answer Incorrect Answer
    D 6.25%. 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 = 25 – 15 – 25 × 15/100 = 10 – 3.75 = 6.25% The area of the rectangle will be increased by 6.25%.

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