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

10.5 %
11.25%
12.5%
10.25%

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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.

30 cm
21 cm
45 cm
40 cm

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Area Problems
A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?

2.91 m
None of these
3 m
5.82 m

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