railway RPF SI Mock Test Series 2024 Quantitative Aptitude Speed Time and Distance Problem on Trains
A train travelling at constant speed crosses two persons walking in the same direction in 4 seconds and 4.2 seconds, respectively. The first person was walking at the speed of 4.5 km/h while the second was walking at the speed of 6 km/h. What was the speed of the train in km/h?
1
42
2
36
3
32
4
40