Two trains whose speed is in the ratio of 3: 4 are going in opposite directions on parallel tracks. If each train takes 3 seconds to cross a pole, then in how much time will they 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?

Two trains A and B 100 m and 60 m long are moving in opposite direction on parallel tracks. The velocity of the shorter train is 3 times that of the longer one. If the trains take 4s to cross each other, the velocities of the trains are

Two trains A and B 100 m and 60 m long are moving in opposite direction on parallel tracks. The velocity of the shorter train is 3 times that of the longer one. If the trains take 4s to cross each other, the velocities of the trains are

Two trans A and B 100 m and 60 m long are moving in opposite direction on parallel tracks. The velocity of the shorter train is 3 times that of the longer one. If the trains take 4s to cross each other, the velocities of the trains are

Two trains 300 m and 400 m long run at the speeds of 40 kmph and 50 kmph respectively in opposite directions on parallel tracks. The time taken to cross each other is:

Two trains each of length 100 m moving parallel towards each other at speed 72km/h and 36km/h respectively. In how much time will they cross each other?

Two trains each of length 100 m moving parallel towards each other at speed 72km/h and 36km/h respectively. In how much time will they cross each other?

A train takes 9 seconds to cross a pole. If the speed of the train is 60 Km/h, the length of the train is

Two trains of equal length, running in opposite directions, pass a pole in 18 and 12 seconds. The trains will cross each other in

Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks What is the time (in seconds) which they take to cross each other?