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

The length of a train is 500 m and it is running at the speed of 216 km/hr. Find the time taken by train to cross a platform if the length of platform is 1300 m.

The length of the two trains are 60 m and 90 m. They are running at the speed of 58 km/hr and 50 km/hr respectively on parallel tracks in opposite direction . In how many seconds will they pass each other .?

How many seconds will a 500 metre long train take to cross a man walking with a speed of 3km/hr. in the direaction of the moving train if the speed of the train is 63km/hr ?

A 225 m long train is running at a speed of 30 km/hour. How much time does it take to cross a man running at 3 km/hour in the same direction?

Train A running with the speed of 36 km/hr crosses a pole in 20 seconds. Another train B whose length is 100 metre more than length of train A is running with the speed of 18 km/hr. Find the time taken by train B to cross a platform of length 500 metre.

A train 300 metres long is running at a speed of 90 km/hr. How many seconds will it take to cross a 200 m long train running in the opposite direction at a speed of 60 km/hr. ?

In how much time will a train 250 m long, running at 50 km/hr pass a man, running at 5 km/hr in the same direction in which the train is going?

Speed of train is inversaly proportional to the square root of time to cover a definite distance if it takes 4 hrs. travel with speed of 40 km/ hr , then what is time takes to cover same distance at speed of 60 km/hr?