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?

5.82 m
None of these
3 m
2.91 m

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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 %
10.5 %
10.25 %
8.75 %

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