Question

an Express train 120 M long passes an electric pole in 5 seconds how long will take to cross a railway platform 180 M long

Answer 1

Answer:

Step-by-step explanation:

speed=distance/time

= 120/5 = 24m/s

distance=(120+180)=300 m

therefore,

time=distance/speed

=300/24 = 12.5 sec