A man runs round a circular field of radius 50 m 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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(a) |
30 min |
(b) |
32 min |
(c) |
34 min |
(d) |
None of these |

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

(a) |
30 min |
(b) |
32 min |
(c) |
34 min |
(d) |
None of these |

1 Answer

127 votes

Speed = 12 km/hr = m/s.

Distance covered = m.

Time taken = min = min.

127 votes

127