Mathematics · Speed, Time and Distance
The distance between two stations A and B is 800 km. A train covers the journey from A to B at a speed of 90 km/h and returns to A with a uniform speed of 65 km/h. Find the average speed of the train during the whole journey (in km/h).
- 180.50
- 282.36
- 370.45
- 475.48✓
Correct answer
75.48
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