Area Problems
A park is in the form of a square one of whose sides is 100 m . The area of the park excluding the circular lawn in the centre of the park is 8614 m 2. The radius of the circular lawn is?

31 m
21 m
41 m
None of these

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Area Problems
The radius of a circle is increased so that its circumference increase by 5%. The area of the circle will increase by?

10.25 %
10 %
10.5 %
8.75 %

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Area Problems
Area of rectangular field is 3584 m 2 and the length and the breadth are in the ratio 7 : 2, respectively. What is the perimeter of the rectangle?

286 m
246 m
288 m
292 m

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