It takes a high speed train 25 minutes to travel 240 km. How do you calculate the average speed of the train in kilometres per hour?

1 Answer
Y
May 10, 2017

#"Average speed"="displacement"/"change in time"# Answer: #576"km"/"hr"#

Explanation:

We can easily see that 25 minutes is #25/60=5/12# hours. We also know that speed is #"displacement"/"change in time"#, therefore, the average speed of the train in km/hr is #240/(5/12)=576"km"/"hr"#

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