Two trains cross each other in the opposite direction in 40

Last updated: 6/20/2023

Two trains cross each other in the opposite direction in 40 seconds when the length of the first train is 400 meters while the length of the second train is 800 meters The ratio of the speeds of the first and the second train is 2 1 What will be the time taken by the second train to completely cross the first train when they are running in the same direction O O O 120 seconds 140 seconds 180 seconds 200 seconds