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

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 140 metre long is running at 60 km/hour. How much time will it take to pass a platform 260 metre long?

A train 200 m long is moving at 40 km/h. In how many seconds will it cross a man standing near the railway line?

A 200 m train at 90 km/h overtakes a 250 m train at 60 km/h in same direction. Time?