A passenger train of length 60 m travels at a speed of 80 km/hr.
Another freight train of length 120 m travels at a speed of
30 km/h. The ratio of times taken by the passenger train to
completely cross the freight train when: (i) they are moving
in same direction, and (ii) in the opposite directions is:
I)11/5
II) 5/2
III) 3/2
IV) 25/11