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    Question

    If the length of a rectangle is increased by 15% and its

    breadth is decreased by 5%, then the area of the rectangle will be increased or decreased by how much percent?
    A 9.25% Correct Answer Incorrect Answer
    B 12.25% Correct Answer Incorrect Answer
    C 15.55% Correct Answer Incorrect Answer
    D 16.66% 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 = 15 – 5 – 15 × 5/100 = 10 – 0.75 = 9.25% The area of the rectangle will be increased by 9.25%.

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