Civil Services WBCS (Executive) Prelims + Mains Mock Tests 2025 Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains, P and Q, are running on parallel tracks in opposite directions with lengths of 110 m and 140 m, respectively. Train P is running at a speed of 70 km/h and took 5 seconds to cross train Q. The speed of train Q is:
1
100 km/h
2
120 km/h
3
110 km/h
4
90 km/h