An electric train is moving with a velocity of 120 km/ hr. How much distance will it move in 30 seconds.

Velocity of train = 120 km/hr

1 hr = 3600 seconds

Then, 120 km are covered in 3600 seconds

Distance covered in 30 seconds = 12 X 30 / 3600 = 1/10 km

1 km = 1000m

= 1/10 X 1000 m = 100 m