A goods train of length 400 m moving at a speed of 90 kmph crosses a platform of a certain length in 22 seconds. Another train of length 350 m crosses the same platform in 25 seconds. Find the relative speed of both trains if they both travel in the same direction.
1
13 kmph
2
20 kmph
3
22 kmph
4
15 kmph
5
18 kmph