The length of a rectangular field is 100 m while its breadth is 75 m .if sohini wants to jog around the field 5 times in a quarter hour , at what speed in km/ h should she jog ?
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speed = distance by time
speed = 7500(75*100)/900(quarter hour)
=8.3m/s
Therefore ,she have to run with a speed of 8.3m/s.
converting that into km/h - 29.88km/h
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