A train travels with a speed of 60 km/h from station a to station b and then comes back with a speed of 80 km/h from station b to station a. Find:1 average speed of the train. Please explain the method to solve this. Thank you.
Asked by TITIKSHA TRIPATHY
| 18th Nov, 2013,
07:15: PM
Expert Answer:

Answered by Faiza Lambe
| 18th Nov, 2013,
07:45: PM
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