A train travels between two stations A and B. While going from A to B, its average speed is 60 km/h, and when coming back from B to A, its average speed is 90 km/h. Find the average speed of the train during the whole journey. [4 MARKS]

A train travels between two stations A and B. While going from A to B,

1.	A train travels between two stations A and B. While going from A to B, its average speed is 60 km/h, and when coming back from B to A, its average speed is 90 km/h. Find the average speed of the train during the whole journey. [4 MARKS]
Answer» A train travels between two stations A and B. While going from A to B, its average speed is 60 km/h, and when coming back from B to A, its average speed is 90 km/h. Find the average speed of the train during the whole journey. [4 MARKS]