defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
A and B ran a race of 3600 meters on a 600-meter circular track. They meet at starting point for the first time 15 minutes after the start of the race. Find the time (in minutes) taken by B to complete the race. If he runs at half of the speed of A.
1
90
2
36
3
54
4
87