Area Problems
The radius of a circle is so increased that its circumference increased by 5%. The area of the circle, then increases by

10.25%
11.25%
12.5%
10.5 %

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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?

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

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Area Problems
The length of a rectangle is twice its breadth. If its length is decreased half of the 10 cm and the breadth is increased by half of the 10 cm cm, the area of the rectangle is increased by 5 sq cm, more than 70 sq cm. Find the length of the rectangle.

45 cm
30 cm
40 cm
21 cm

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Area Problems
The base of a triangular field is three times its altitude. If the cost of cultivating the field at Rs. 24.68 per hectare be Rs. 333.18, find its base and height.

B=300;H=900
B=900;H=300
B=500;H=900
B=600;H=700

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