police UP Police Jail Warder Mock Test Quantitative Aptitude Speed Time and Distance Problem on Trains
A 180 meters long train passes a pole in 12 seconds. While it crosses another train which is 100 meters long and coming from opposite direction in 7 seconds. Find the speed of second train.
1
72 km/h
2
60 km/h
3
54 km/h
4
90 km/h