Mahesh walks around the circular track of radius 14m with the speed of 4 km/hr.if he takes20 rounds of the track, how long does he walk?
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Answer:
0.44 hours
Step-by-step explanation:
radius =14m
speed =4km/h
The distance covered while walking on the circular track is =2×pi×r
=2×22/7×14
=88m
Distance covered in 20 rounds =20×88
=1760m
4km =4000m
Therefore time for which he walks =1760/4000
=0.44 hours
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