railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
A car covers 15 km, 20 km, 30 km and 12 km at speeds of 20 km/h, 30 km/h, 40 km/h and 30 km/h respectively. The average speed of the car for the total journey is:
1
88 km/h
2
60 km/h
3
30 km/h
4
40 km/h