33. Mukesh walks around a circular track of radius 14 m with a speed of 4 km/h. If he takes 20
rounds of the track, for how long does he walk?
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Answer:
Circumference of 1 round = 2πr
= 2*22/7* 14
= 88 m.
total distance in 20 rounds = 20*88
= 1760 m.= 1.76 km
time = distance/ speed
= 1.76/4
=0.44 hour
= 26.4 minutes
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