A truck covers a distance 640 km in 10 h. A car covers the same distance in 8 h. What is the respective ratio of speed of the truck to that of car?

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Accepted Answer

Speed of truck 640/10 = 64 km/h Speed of car = 640/8 = 80 km/h So, the required ratio = 64/80 = 4/5 = 4 : 5

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