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    • Question

      The length and breadth of a rectangle are increased by

      10% and 20% respectively. The increase in the area of the resulting rectangle will be:
      A 62.5% Correct Answer Incorrect Answer
      B 38% Correct Answer Incorrect Answer
      C 32% Correct Answer Incorrect Answer
      D 68.75% Correct Answer Incorrect Answer

      Solution

      Since, Net change = [a + b + (ab/100)]% Net Effect on area of rectangle = [10 + 20 + {(10 x 20)/100}] % = 32%

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