Area Problems
If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

25%
35%
75%
65%

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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?

3600 m2
None of these
360000 m2
360002

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