railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A car travelled distances of 10 km, 20 km and 30 km at speeds of 30 km/h, 40 km/h and 60 km/h, respectively. The average speed of the car is:
1
45 km/h
2
20 km/h
3
30 km/h
4
40 km/h