state gov AP Police SI (Pre+Mains) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Problem on Trains
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?
1
55 km/hr
2
50 km/hr
3
60 km/hr
4
65 km/hr