Difficulty Level: Hard
Stats: 932 / 2,490 ( 37.43% ) got this right

Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train completely passes the slower train in 36 seconds. The length of each train is:

  • 50m
  • 72m
  • 80m
  • 82m
  • 90m