police AP Police Constable (Pre + Mains) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains, whose ratio of speed is 5 ∶ 7, can cross a vertical pole in 12 seconds and 15 seconds respectively. Find the time in which they will cross each other, if they are going in opposite directions.
1
82.5 seconds
2
13.25 seconds
3
13.75 seconds
4
79.5 seconds