railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Speed Time and Distance Average Speed
If a person travels a certain distance at a speed of 10 km/h, and returns through the same route at a speed of 20 km/h, then what will be the average speed during the whole journey?
1
\(\frac{40}{3}\) km/h
2
15 km/h
3
\(\frac{10}{3}\) km/h
4
\(\frac{20}{3}\) km/h