if a man covers 10.2 kilometres in 3 hours find the speed in kilometre per hour
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s=D/T ,10.2/3 ,=3.4 km/h
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Answer: 3.4 km/hr
since in 3 hrs it cover 10.2 km
therefore 10.2/3 = 3.4
hence speed is 3.4km/hr
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