railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A goes from City X to City Y at 40 km/hr, and returns at a speed of 80 km/hr. What is his average speed for the whole journey?
1
80 km/hr
2
60 km/hr
3
53 km/hr
4
57 km/hr