A train of length 100 m crosses another train of length 150 m, running on a parallel track in the opposite direction in 9 seconds. If the speed of trainhaving length 150 m is 40 km/hr, then what is the speed (in km/hr) of the other train?
In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.