state gov Allahabad High Court Group D Mock Test Series 2024 Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains, one 390 metres and the other 250 metres long are running in opposite directions on parallel tracks, at the speed of 78 km/hr and 66 km/hr respectively. How much time will they take to cross each other?
1
36 seconds
2
16 seconds
3
24 seconds
4
30 seconds