Teaching KVS PRT (Latest Pattern) Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
A 120 m long train takes 3 seconds to cross a man walking at 3 km/h in the direction opposite to that of the train. What is the speed (in km/h) of the train?
1
140 km/h
2
142 km/h
3
141 km/h
4
145 km/h