DSSSB · Mathematics
A bus travels 60 km at 30 km/hr and returns the same distance at 60 km/hr. What is the average speed of the bus for the entire journey?
- 42 km/hr
- 40 km/hr
- 45 km/hr
- 50 km/hr
A bus travels 60 km at 30 km/hr and returns the same distance at 60 km/hr. What is the average speed of the bus for the entire journey?
- 42 km/hr
- 40 km/hr
- 45 km/hr
- 50 km/hr
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