A passenger in Rajdhani Express notices that a train coming in opposite direction and consisting of a locomotive and twenty carriages takes 5 s to go past. What is the speed in km/h of the Rajdhani Express if the length of each carriage in other train is 14 m, the length of locomotive is 10 m, and the distance between the carriages as well as between locomotive and carriage is 0.5 m? The Rajdhani Express is travelling at the double speed of other train when they meet.