Total journey is of 600 km. A bus travels first 120 km of trip at a speed of 40km per hour. What should be the speed for next 480 km so that the average speed is 60 km per hour?
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Answer:otal journey is of 600 km. A bus travels first 120 km of trip at a speed of 40km per hour. What should be the speed for next 480 km so that the average speed is 60 km per hour?
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