Area Problems
The radius of the wheel of a vehicle is 70 cm. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is?

32.72 km/hr.
31.68 km/hr.
36.25 km/hr.
29.46 km/hr.

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

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