Difficulty Level: Very Hard
Stats: 646 / 2,391 ( 27.02% ) got this right

Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is:

  • 36
  • 40
  • 45
  • 46
  • 48