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The area of the rectangle so formed exceeds the area of the square by what percentage ?

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The length and breadth of a square are increased by 305 and 20% respectively. The area of the rectangle so formed exceeds the area of the square by what percentage ?

posted Aug 10, 2015 by Mishthy Mukherjee

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1 Answer

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Correction:::: it must be 30% NOT 305

Let the square be of side a units Area of square = a^2

New rectangle has dimensions length== 1.3a units
breadth== 1.2a units

Area of rectangle formed === 1.3a*1.2a === 1.56a^2

Area of rectangle - Area of square === 1.56a^2 - a^2 === .56a^2

hence Area of rectangle is 56% more than Area of Square

answer Sep 28, 2015 by Ankit Kamboj

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