Area Problems
A man runs round a circular field of radius 50m at the speed of 12 km/hr. What is the time taken by the man to take twenty rounds of the field?

220/7 min
230/7 min
110/7 min
90/7 min

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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

2420 m2
None of these
2480 m2
2520 m2

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