Question

A train travels in 36 kmph .How many meters it will travel in 3 minutes

Answer 1

speed = 36 kmph =  36 * 5/ 18 meters/sec = 10 m/sec
 Hence in 3 minutes ie., 180 seconds,  it will move  1, 800 meters it will travels.

Answer 2

Speed of the train = 36 km/hr I km/hr=5/18 m/sec 36×5/18=10 m/sec That means in 3 minutes the train will move=1800 metres long