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    Question

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

    breadth is decreased by 8%, then the area of the rectangle will be increased or decreased by how much percent?
    A 10% Correct Answer Incorrect Answer
    B 15% Correct Answer Incorrect Answer
    C 18% Correct Answer Incorrect Answer
    D 25% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Percentage change in Area = x тАУ y тАУ xy/100 = 25 тАУ 8 тАУ 25 ├Ч 8/100 = 17 тАУ 2 = 15% The area of the rectangle will be increased by 15%.

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