defence exam Assam Rifles Technical and Tradesmen 2022 Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
Distance between two stations A and B is 680 km. A train cover the journey from A to B at 40 km per hour and returns back to A with a uniform speed of 60 km per hour. Find the average speed of the train during the whole journey?
1
50 km/h
2
48 km/h
3
38 km/h
4
58 km/h