state gov UP Police Head Operator (Radio Cadre) Mock Test Quantitative Aptitude Speed Time and Distance Relative Speed
In a circular race of 1200 m, A and B start from the same point, at the same time with speeds of 27 km/h, and 45 km/h, respectively. After how much time will they meet again for the first time on the track when they running in the same direction?
1
220 sec
2
180 sec
3
200 sec
4
240 sec