a train starts its journey from a at 9 p.m . it runs for 5hrs at 50km/hr and then halts for 30 minutes. it again starts running at an average speed of 50km/hr for the remaining duration to reach b at 4 a.m. what is the overall average speed?
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a train starts its journey from a at 9 p.m . it runs for 5hrs at 50km/hr and then halts for 30 minutes. it again starts running at an average speed of 50km/hr for the remaining duration to reach b at 4 a.m. what is the overall average speed?
answer :Given: A 100 m long train is running at the speed of 30 km/hr. The train passes a man standing near the railway line. ∴ The train took 12 seconds in passing the man standing near the railway line.