state gov Bihar Police Prohibition Constable 2022 Mock Test Series Quantitative Aptitude Speed Time and Distance Relative Speed
A train with the speed of 25 m/s running in the direction. A man with the speed of 15 m/s coming from opposite direction crosses the train in 3 seconds. Find the length of train in meters?
1
100m
2
120m
3
150m
4
180m