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      Question

      The length and breadth of a rectangle are increased by

      30% and 40% respectively. The increase in the area of the resulting rectangle will be:
      A 56% Correct Answer Incorrect Answer
      B 32% Correct Answer Incorrect Answer
      C 82% Correct Answer Incorrect Answer
      D 43.75% Correct Answer Incorrect Answer

      Solution

      Since, Net change = [a + b + (ab/100)]% Net Effect on area of rectangle = [30 + 40 + {(30 x 40)/100}] % = 82%

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