Two trains `110 m` and `90 m` log respectively, are trunning in opposite directions with velocities `36 km h^(-1)` and `54 km h^(-1)` Find the time taken by the trains to completely cross each other.

Two trains 121 m and 99 m in length are running in opposite directions with velocities 40 km h^(-1) and 32 km h^(-1) . In what time they will completely cross each other?

Two trains 121 m and 99 m in length are running in opposite directions with velocities 40 km h^(-1) and 32 km h^(-1) . In what time they will completely cross each other?

Two trains 120m and 100 m in length are tunning in opposite directions with velocityes 42 km h^(-1) and 30 km h^(-1) In what tiem they will completely cross each other ?

Two trains 120 m and 80 m in length are running in opposite directions with velocities 42 km h^(-1) and 30 kmh^(-1) . In what time they will completely cross each other?

Two trains 120 m and 100 m in length are running in opposite directions with velocities 43 km h^-1 and 29 km h^-1 . In what time they will completely cross each other?

Two train 100 m and 89 m in length are running in opposite directions with a velocity 40 km/hr and 30 km/hr. At what time they will completely cross each other.

Two trains having lengths 120 m and 100 m running in the opposite directions with velocities 40 km/h and 50 km/h. In what time they will completely cross each other?

Two trains having lengths 120 m and 100 m running in the opposite directions with velocities 40 km/h and 50 km/h. In what time they will completely cross each other?

Two trains, 230m and 270m long, are running on parallel tracks in the oppoite directions at a speed of 40km/h and 50 km/h, respectively. What is the time taken by the trains to cross each other completely?

The length of Lucknow mail is 120 m and that of Punjab mail is 80 m. These two trains are running in the opposite direction with velocities of 40 km/h and 50 km/h respectively. The time taken by them to cross each other is :