Question

Mukesh walks around a circular track of
radius 14 m with a speed of 4 km/hr. If he
takes 20 rounds of the track, for how long
does he walk?​

Answer 1

Total length covered : 2πr×20

= 2×22/7×14×20

= 1760metres = 1.76km

Speed =4km/hr

Time = 1.76/4

= 0.44hours

= 26.4 minutes