Area Problems
If the diameters of a circle is increased by 100% . Its area is increased by?

100%
400%
300%
200%

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Area Problems
The lengths of three line segments (in cm) are given in each of the four cases. Which one of the following cases is not suitable to be the three sides of a triangle?

2, 3, 5
2, 3, 4
3, 4, 5
2, 4, 5

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Area Problems
The area of rectangle is 1.8 times the area of a square. The length of the rectangle is 5 times the breadth. The side of the square is 20 cm. What is the perimeter of the rectangle?

144 cm
133 cm
135 cm
145 cm

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