Two trains travel in the same direction at 50 and 32 km/h. A man in slower train observes that the faster train passes him in 15 seconds. The length of faster train is:

Two trains for Lahore leave Rawalpindi at 8:30 AM and 9:00 AM and travel at 60 km/h and 70 km/h. How many kilometers from Rawalpindi will the two trains be together:

A train 100 meters long completely passes a man walking in the same direction at 6 km/h in 5 seconds and a car in the same direction in 6 seconds. The speed of car is:

Two trains 90 and 110 meters long approach one another from opposite directions at 54 and 90 km/h. How long do they take to completely pass one another.

A train traveling at 36 km/h completely passes another train half its length in 12 seconds traveling in opposite direction at 54 km/h. If it also passes a platform in 1 1/2 minutes what is the length of platform:

To travel 600 km train A takes 8 hours more than B. If however the speed of train A is doubled it takes 2 hours less than B. What is the speed of train B.