22. A man runs at the speed of 15 km/hr. How much time will he take to cover 750 m ?
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Answer:
speed=distance/time
15km/hr= 750m/t
15000m/60min=750m/t
15000m(t)=750m(60min)
15000t=45000
time=45000/15000
time= 3minutes
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