Area Problems
The diameter of a wheel is 63 cms. Distance travelled by the wheel in 100 revolutions is?

99 meters
136 meters
63 meters
198 meters

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Area Problems
A person observed that he required 30 s time to cross a circular ground along its diameter than to cover it once along the boundary. If his speed was 30m/min, than the radius of the circular ground is (take ? = 22/7)

7.5 m
5.5 m
3.5 m
10.5 m

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