How much time will it take for a 140 meter long train running at a speed of 54 km per hour to cross a 220 meter long bridge?

120 metre long train is running at a speed of 90 km per hour. It will cross a railway platform 230 m long in :

How much time a train will take to cross 90m if it is running at a speed of 54 km/hr

A 400m long train is running at the speed of 60km per hour.It crosses a bridge of length 800m in:

A train 290 m long is running at a speed of 36 km per hour, then it will cross a bridge of length 180 m in

For the following questions answer them individually A 200 metre long train is running at a speed of 72 km/ hr How long will it take to cross 800 metre long bridge ?