defence exam CISF Head Constable Ministerial (HCM) & ASI Steno Mock Test Series Quantitative Aptitude Speed Time and Distance
In a journey of three unequal laps, a car covers a distance of 400 km in 8 h in the first lap, while another 324 km at the speed of 15 m/s in the second lap. It covered the remaining distance of the final lap in 8 h such that the average speed of the car for the entire journey was 50 km/h. What was the speed of the car on the third lap of the journey?
1
17 km/h
2
28 km/h
3
35 km/h
4
47 km/h