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

300%
400%
200%
100%

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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?

3 m
2.91 m
5.82 m
None of these

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