A moving train, 66 metres long, overtakes another train 88 metres long, moving in the same direction, in 0.168 minutes. If the second train is moving at 30 km per hour, at what speed is the first train moving?

A 180-metre long train crosses another 270-metre long train running in the opposite direction in 10.8 seconds . If the speed of the first train is 60 kmph ,what is the speed of the second train in kmph ?

A 180 -metre long train crosses another 270- metre long train running in the opposite direction in 10.8 seconds.If the speed of the first train is 60kmph ,what is the speed of the second train in kmph? 80 b.90 c.150d . cannot be determined e.none of these

A train leaves from a station and moves at 40 km/hr. After 2 hours, another train leaves from the same station and moves in the same direction at a certain speed. If the second train catches up with the first train in 4 hours, what is the speed of the second train? Options are (a) 55 km/hr (b) 50 km/hr (c) 60 km/hr (d) 65 km/hr .