Area Problems
A man riding a bicycle, completes one lap of a circular field along its circumference at the speed of 14.4 km/h in 1 min 28 s. What is the area of the field?

8842 sq m
9856 sq m
7958 sq m
Cannot be determined

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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)

3.5 m
10.5 m
7.5 m
5.5 m

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Area Problems
The Different between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is

None of these
2480 m2
2520 m2
2420 m2

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