The train which I got on at A station passed by the train which goes to A station every five minutes.
As for all trains, it is moving at same speed and same interval.
How many trains arrive at A station in one hour ?
As for all trains, it is moving at same speed and same interval.
How many trains arrive at A station in one hour ?
Answer
Six trains
Solution
The train of the same speed passing each other every five minutes comes to that passing each other every ten minutes when one stops.
It means the train arrives at A station every ten minutes.
Therefore we can find the number of trains that arrive at the A station in one hour is 60/10 = 6 trains.
