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The length and breadth of square are increased by 30% and 20% respectively. The area of the rectangle so formed exceeds the area of the square by ?
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- 20%
- 36%
- 50%
- 56%
Correct Option: D
Let length of square = 100 m and breadth of square = 100 m
Area = (100 x 100) m2 = 10000 m2
New length = 130 m and breadth = 120 m
New area of rectangle = (130 x 120) m2 = 15600 m2
Increase % = (5600 / 10000) x 100 % = 56%
