Comprehension Passage
Directions: Study the following information carefully and answer the questions given below.
The given table shows the speed (km/hr), length (m), time taken (sec) to cross a pole (P) and the time taken (sec) to cross platform (Horizon) of five different trains [Rapid, Bullet, Comet, Thunder and Express].
| Train | Speed (km/hr) | Length (m) | Time taken to cross Pole P (sec) | Time taken to cross Platform Horizon (sec) |
| Rapid | 54 | ____ | ____ | 14 |
| Bullet | ____ | 175 | 7 | ____ |
| Comet | 72 | ____ | 4 | ____ |
| Thunder | ____ | 135 | ____ | 18 |
| Express | 54 | 180 | ____ | 15 |
Train Bullet crosses platform Horizon in m sec and train Comet crosses double the length of platform horizon in n sec. Find the possible time taken by train Express and Thunder to cross each other when moving in the same direction.
I. 5n+0.5
II. 2[m+n]+22.5
III. 5m+19
1
Both I and III
2
Both I and II
3
Only II
4
Only I
5
Only III