Two train of same length cross a pole in 4min & 5min respectively.
in how much time they will cross each other if they approach each other from opposite direction(i.e face to face)..
give answer with working...
Two train of same length cross a pole in 4min & 5min respectively.
in how much time they will cross each other if they approach each other from opposite direction(i.e face to face)..
give answer with working...