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

65.5%
34.5%
31.5%
39.5%

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Area Problems
The base of a triangular field is three times its altitude. If the cost of cultivating the field at Rs. 24.68 per hectare be Rs. 333.18, find its base and height.

B=500;H=900
B=300;H=900
B=600;H=700
B=900;H=300

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