Question

The man runs round a circular field of radius 50 m at a speed of 12 km/ hr. What time is taken by the man to make 20 rounds of the field ?

Answer 1

The man runs round a circular field of radius 50 m at a speed of 12 km/ hr. What time is taken by the man to make 20 rounds of the field ?

Step-by-step explanation:

Time taken for 1 round =  (2×pi×0.5) /12=z(say)

Time taken  for 20 rounds = z×20

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