Question

the train covers first 30 km of its journey in 20 mins,the rest 50 km in another 20 mins and the last 20 km in 10 mins.Calculate the average speed of the train.​

Answer 1

Answer:

Average speed = Total distance cover/ Total time taken

Average speed = 30+50+20/20+20+10

Convert time into hour = 50/60

= 5/6 hour

Average speed = 100km*6/5

= 120km/h

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