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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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