railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A train travels from Delhi to Dehradun at the speed of 120 km/h and from Dehradun to Delhi at the speed of 130 km/h. What is the average speed during the whole journey?
1
127.8 km/h
2
126.8 km/h
3
125.4 km/h
4
124.8 km/h