Two trains start at the same time, one from Kolkata to Madhupur and the other from Madhupur to Kolkata. If they arrive at Madhupur and Kolkata respectively 1 hour and 4 hours after they cross each other , find the ratio of their velocities.

Two trains started at the same time , one from A to B and the other from B to A . If they arrived at B and A respectively 4 hours and 9 hours after they passed each other , the ratio of the speeds of the two trains was

Two trains start at the same time, P from A to B and Q from B to A.If they arrive at B and A,respectively, 2 (1)/(2) hours and 10 hours after they passed each other, and the speed of P is 90 km/hr, then the speed of Q in km/hr is?

From a station two trains start at the same time. One train moves west and the other moves north. First train moves 5 km/hr faster than the second train. If, after 2 hours, the distance between the two trains is 50 km, find the average speed of each train.

Two trains start at same time from A and B towards each other and after crossing they take a and b sec in reaching B and A then ratio of speeds of A and B.

Two men 8(1)/(4) kilometres apart, start to walk at the same time . If they walk in the same direction they meet in 11 hours but if they approach each other , they meet in 1 hour . Find their velocitites.