SSC SSC GD Constable 2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Problem on Trains
Train A crosses train B completely in 90 seconds, with the trains running in opposite directions. The lengths of the trains A and B are 900 metres and 1800 metres, respectively. If the speed of train A is 45 km/h, then in how much time can train B cross a stationary pole?
1
\(\frac{830}{7}\)seconds
2
\(\frac{810}{7}\)seconds
3
\(\frac{720}{7}\)seconds
4
\(\frac{650}{7}\)seconds