A passenger train of length 60 m travels at a speed of 80 km / hr. Another freight train , the ratio of times taken by the train to completely cross the freight train when :(i) they are moving in direction , and (ii) in the opposite directions is :

A passenger train of length 60 m travels at a speed of 80 km / hr. Another freight train of length 120 m travels at the speed of 30 km/hr , the ratio of times taken by the train to completely cross the freight train when :(i) they are moving in direction , and (ii) in the opposite directions is :

A train travels at a speed of 40 km/hr and another train at a speed of 20 m/s. find ratio of speed of the first train to that of the second train ?

A train travels at a speed of 40 km/hr and another train at a speed of 20 m/s. What is the ratio of speed of the first train to that of the second train?

A train running with a speed of 6 km/hr, crosses a telephone pole. If the length of train is 720 meters, then what is the time taken (in seconds) by the train to cross the pole?