Area Problems
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

153600
307200
15360
30720

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Area Problems
The length and breadth of a rectangular piece of land are in the ratio of 5:3, the owner spent Rs.3000 for surrounding it from all the sides at Rs.7.50 per meter. The different between its length and breadth is?

150 m
50 m
100 m
200 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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