A train travels 60km in M minutes. If it's average speed is 400 km per hour,find the value of M.?

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Answer 1 · 2018-07-10T21:53:39

#M=9\ \text{minutes}#

Average speed of the train is

#\frac{\text{total distance traveled}}{\text{total time taken}}#

Since the train travels #60# km distance in #M# minutes i.e. #M/60# hrs hence

#\frac{60}{M/60}=400#

#3600/M=400#

#M=3600/400#

#M=9#