The ratio of lengths of trains A and B is 5 : 3 and the ratio of their speeds is 2 : 3. Moving in the opposite direction, it took \(2\frac{1}{2}\) minutes for Train A to cross B. The time (in minutes) taken by A to cross a stationary pole is:
1
2
2
3
3
\(\frac{{125}}{{32}}\)
4
\(\frac{{25}}{{16}}\)