9. A man runs round a circular field of radius 50 m at a speed of 12 k – InterviewSolution

1.	9. A man runs round a circular field of radius 50 m at a speed of 12 km/hr. How much time is taken by theman to run twenty rounds of the field?(a) 30 min.3(b) 32 min.(c) 34 min.(d) 31 min.
Answer» ans is (d) how

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