Hi everyone . There is a question for you all
2. On a 200 km track , a train travels the first 50 km at a uniform speed of 40 km/h. how fast the train must travel the next 150 km so as to maintain the average speed of 60 km/h for the whole journey.
2. On a 200 km track , a train travels the first 50 km at a uniform speed of 40 km/h. how fast the train must travel the next 150 km so as to maintain the average speed of 60 km/h for the whole journey.
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