Question

the maximum speed of train is 90km/h. it takes 10 hours to cover a distance of 500km. find ratio of its average speed to maximum speed

Answer 1

max.speed=90km/h
avg.speed= total distance covered/total time taken.
avg.speed= 500/10
=50km/h
ratio of avg.speed to max.speed= 50/90
=5:9