Question

train 400 m long passes a man standing on the platform in 12 second what is the speed of this train in km/h​

Answer 1

Answer:

distance =400m

time =12sec

speed =distance/time

= 400/12

=33.3333.......

Answer 2

Answer:

speed of train = (400/12)*(18/5),

= 120km/hr.