The average speed of the freight train was 10.67 km/hr.
<h3>What is average speed?</h3>
The average speed is the total distance traveled by the object in a particular time interval.
Now it is given that,
Average speed of the passenger train = 16 km/hr
Time taken by passenger train to overtake the freight train = 4 hours
So, the distance between two trains = Average speed of the passenger train * Time taken by passenger train overtake the freight train
⇒ distance between two trains = 16 * 4 = 64 km
Thus, Distance to be covered by freight train = 64 km
Since, freight train leaves the same station in the same direction after 2 hours.
Hence, total time taken to cover 64 km by freight train = 2 + 4
= 6 hours
⇒ Average speed of the freight train = Distance covered by freight train/total time taken to cover 64 km
⇒ Average speed of the freight train = 64/6 km/hr
⇒ Average speed of the freight train = 32/3 km/hr
or, Average speed of the freight train = 10.67 km/hr
Thus, the average speed of the freight train was 10.67 km/hr.
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