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    Question

    The length and breadth of a rectangle are increased by

    8% and 5%, respectively. By how much percentage will the area of the rectangle increase
    A 13.4 Correct Answer Incorrect Answer
    B 12.8 Correct Answer Incorrect Answer
    C 16.2 Correct Answer Incorrect Answer
    D 3.4 Correct Answer Incorrect Answer

    Solution

    Short method- Icrease percent in the area= 8+5+(8├Ч5)/100 = 13+.40=13.4%

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