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    Question

    The length and breadth of a rectangle are increased by

    20% and 30% 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 = [20 + 30 + {(20 x 30)/100}] % = 56%

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