Mathematics · Speed, Time and Distance
A man travels from point A in one state to point B in another state by a train moving at a speed of 90 km/h and he returns to the starting point A by another train moving at a speed of 72 km/h. What was the average speed of the trains for the whole journey?
- 184 km/h
- 282.5 km/h
- 381 km/h
- 480 km/h✓
Correct answer
80 km/h
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