28. Five mark example problem V

A passenger train takes \(1 \ hr\) more than an express train to travel a distance of \(240 \ km\) from Chennai to Virudhachalam. However, passenger train speed is less than that of an express train by \(20 \ km\) per hour. Find the average speed of both trains.

 

Answer:

 

The average speed of the passenger train is  \(km/hr\)

 

The average speed of an express train is  \(km/hr\)