Question

a train moving at uniform speed covers a distance of 60 in 3 seconds The distance covered by in next 3 minutes

Answer 1

D=60units
T=3s
Speed=60/3
=20unit/s
3min=180s

20=D/180
D=180×20
=3600unit distance is covered in 3minutes.

Answer 2

This is the required answer.
Hope this helps you.