The maximum speed of a train is 80 km/h. It takes 10 h to cover a distance of 400 km. Find the ratio of its maximum speed to its average speed.
Maximum speed = 80 km/hr
Average speed = 
= 
= 40 km/hr
Ratio = 
= 
= 2
2
The maximum speed of a train is 80 km/h. It takes 10 h to cover a distance of 400 km. Find the ratio of its maximum speed to its average speed.
Maximum speed = 80 km/hr
Average speed =
= = 40 km/hr
Ratio = = = 2