A train cover a distance of 600km at an average speed of 60km/h. However, while returning, it maintains it's average speed for the first two hours, and then, runs with an average speed of 40km/h. How much time will the train take while returning to cover the distance?
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in the first two hours the train would have covered 120 km as 60 multiplied with 2 is 120 now the train has covered 120 km out of 600 km and there is 480 km to travel if the train travels the 480 km at 40 km per hour to travel remaining 480 km and 40 km per hour it will take 12 hours. totally the train would take 14 hours to travel 600 km
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