Running at 60 km/h, a train crosses a 1.5 km tunnel in 2 minutes. Length of train?

A train 700 metre long is running at the speed 72 Km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel is :

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

A train 200 m long runs at 45 km/h. Time to cross a 100 m long tunnel?

A train of length 140 m is running at a speed of 60 km/hr and a dog is running in the same direction parallel to the train at a speed of 18 km/hr. The train will cross the dog in

A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train?