Two trains, each `50 m` long, are travelling in opposite directions with velocities `10 ms^-1 and 15 ms^-1`. The time of their crossing each other is.

Two trains, each 50 m long are travelling in opposite direction with velocity 10 m/s and 15 m/s. The time of crossing is

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 :

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 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 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?

The length of Lucknow mail is 120 m and that of Punjab mail is 80 m These two trains are runing 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:

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 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.