Difficulty Level: Hard
Stats: 1,630 / 4,542 ( 35.89% ) got this right
A man travels down the road on his motorcycle and goes the first 160 km at 64 km/hr, then the next 160 km at 80 km/hr. The average speed for the first 320 km he travels is:
- 36 km/hr
- 68.25 km/hr
- 70 km/hr
- 71.11 km/hr
- 72 km/hr