New SIDBI Grade A New Batch Starts on Nov 18

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    Question

    If the length of a rectangle is increased by 10% 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 4.25% Correct Answer Incorrect Answer
    C 4.5% Correct Answer Incorrect Answer
    D 6.6% 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 = 10 – 5 – 10 × 5/100 = 5 – 0.5 = 4.5% The area of the rectangle will be increased by 4.5%.

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