Question

A goods train 250m long is running at a speed of 33km/hr.Behind it another mail train 200m long and running at a speed of 60km/hr. It is running in same direction on a different track & after meeting the goods train overpasses it. Let us find how long will the mail train take to overpass the goods train.​

Answer 1

Answer:

Step-by-step explanation:

it takes 1hr to go 60 km so that it can go 1km(1000m) in a 1min

It means it takes 1/1000 min to go 1m

Goods train is 250m long so, it takes 1/1000×250 min to pass it

= 1/4 min =15 sec