Difficulty Level: Hard
Stats: 1,630 / 4,544 ( 35.87% ) 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