railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Speed Time and Distance Relative Speed
Trains P and Q move along parallel tracks in the same direction. Train P completely overtakes the train Q in 60 seconds, and a passenger in the train P crosses train Q in 40 seconds. If the ratio of the speed of train P and Q be 2 : 1, then what is the ratio of their lengths?
1
3 : 2
2
3 : 4
3
3 : 1
4
1 : 2