Area Problems
If the radius of a circle be reduced by 50%. Its area is reduced by?

39.5%
31.5%
65.5%
34.5%

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Area Problems
Radhika runs along the boundary of a rectangular park at the rate of 12 km/hr and completes one full round in 15 minutes. If the length of the park is 4 times its breadth , the area of the park is?

360002
None of these
360000 m2
3600 m2

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