defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
A policeman follows a thief, who is 840 meters ahead of him. The thief and the policeman run at a speed of 7.5 km/h and 9 km/h, respectively. What distance (in km) is run by the thief before he is nabbed by the policeman?
1
3.1
2
4.5
3
3.8
4
4.2