Question
The area of square is thrice the area of a rectangle. If the area of the square is 225 sq.cms and the length of the rectangle is 15cms. What is the difference between the breadth of the rectangle and the side of the square?
Answer: Option B
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Area of rectangle = 225/3 = 75 sq.cm
Breadth of rectangle = Area/Length = 75/15 = 5 cm
Side of the square = square root(Area) = square root(225) = 15 cm
Required difference = 15 - 5 = 10 cm.
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