A train 100 metres long crosses a signal post in 5 seconds. How much time will it take to cross a bridge of length 200 metres with the same speed ? 

A train of length 150 meters took 8 seconds to cross a bridge of length 250 meters. Time taken by the train to cross a telephone post is :

A train of length 100 m runs at a speed of 120 km/h from north to south. Another train of length 150 m travels with a speed of 80 km from south to North . What is the time required to cross each other?

A train crossed a platform in 43 seconds. The length of the train is 170 metres. What is the speed of the train?

The speed of a truck is 1/3 rd the speed of a train. The train covers 1230kms in 5 hours. What is the speed of the truck?

A train B speeding with 120 kmph crosses another train C running inthe same direction, in 2 minutes. If the lengths of the trains B and C be 100 m and 200 m respectively, what is the speed (in kmph) of the train C?