DSSSB · Mathematics
A car travels from city A to city B at a speed of 90 km/hr and from city B to city A at a speed of 60 km/hr. What is the average speed for the entire journey?
- 80 km/hr
- 75 km/hr
- 70 km/hr
- 72 km/hr
A car travels from city A to city B at a speed of 90 km/hr and from city B to city A at a speed of 60 km/hr. What is the average speed for the entire journey?
- 80 km/hr
- 75 km/hr
- 70 km/hr
- 72 km/hr
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