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?

A man runs round a circular field of radius 50m at the speed of 12 km/

1.	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?
A.	220/7 min
B.	110/7 min
C.	90/7 min
D.	230/7 min
Answer» B. 110/7 min

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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?

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