The maximum speed of a train is 90km/h . It takes 10 hours to cover a distance of 500 km. Find the ratio of its average speed to maximum speed?
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Answer:
5 : 9
Explanation:
Speed = distance / time
Train, here, takes 10 hour to cover a distance of 500 km.
So,
Substituting time = 10 hr and distance = 500 km
Average speed of train = 500 / 10 km/h
= 50 km/h
It's maximum speed is 90 km/hr
Required ratio :
⇒ average speed : maximum speed
⇒ 50 km/hr : 90 km/hr
⇒ 50 : 90
⇒ 5 : 9
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