Two trains `90 m` and 120 ` in length are running in opposite directions on parallel tracks with velocitye ` 72 km//h` and ` 36 km//h`. In what tiem they will complerely 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 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 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 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 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 of length 190 m and 210 m respectively, are running in opposite directions on parallel tracks. If their speeds are 40 km/hr and 32 km/hr respectively in what time will they cross each other?