railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A car travels \(\frac{1}{3}\) of the distance on a straight road at a speed of 10 km/h, the next \(\frac{1}{3}\) at a speed of 20 km/h and the last \(\frac{1}{3}\) at a speed of 60 km/h. Find the average speed of the car.
1
18 km/h
2
12 km/h
3
15 km/h
4
10 km/h