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A train travels 50 km distance with speed 50 km/hr and next 50 km with speed 60 km/hr. What will be the average speed?

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A train travels 50 km distance with speed 50 km/hr and next 50 km with speed 60 km/hr. What will be the average speed?
posted Apr 16 by Mishthy Mukherjee

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1 Answer

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54.5 km/h
.
First part = 50 / 50 = 60 minutes
Second part = 50 / 60 = 50 minutes
Total time = 110 minutes. Total distance = 100 km
Average speed = 100 / (110/60) =54.5 km/hr

answer Apr 18 by Jcm



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