state gov BSSC SSO Mock Test Series 2025 Quantitative Aptitude Speed Time and Distance Relative Speed
Train A leaves the station with uniform speed at a certain time. After 2 hours, train B leaves the station and moves in the same direction with uniform speed of 75 km/h. Train B crosses train A in 4 hours. The relative speed of the two trains is:
1
20 km/h
2
35 km/h
3
25 km/h
4
30 km/h