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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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