[" Two trains,each "50M" long are "],[" travelling in opposite direction with "],[" velocity "],[" I "0M/s" and "15M/s" .The time of "],[" crossing 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

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 directions with velocities 10 ms^-1 and 15 ms^-1 . The time of their crossing each other is.

A train A which is 120 m long is running with velocity 20 m/s while train B which is 130 m long is running in opposite direction with velocity 30 m/s. What is the time taken by train B to cross the train A?

A train A which is 120 m long is running with velocity 20 m/s while train B which is 130 m long is running in opposite direction with velocity 30 m/s. What is the time taken by train B to cross the train A?

A train A which is 120 m long is running with velocity 20 m/s while train B which is 130 m long is running in opposite direction with velocity 30 m/s. What is the time taken by train B to cross the train A?

Two trains each of 120 m in length, run in opposite directions with a velocity of 40 m/s and 20 m/s respectively. How long will it take for the tail ends of the two trains to meet each other during the course of their journey?

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:

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 :