If distance is measured in kilometre and time in hours, what will be the unit of speed?
Explanation:
How many hours would an aeroplane take round the world , a distance of 40200 kilometres, if average speed is 300 kilometres per hour?
Two cars leave a town at the same time in opposite directions at 50km/h and 60km/h. In how many hours will they be apart 550km apart?
(km/h-kilometre per hour)
(km- kilometre)