engineering recuitment DDA JE Civil 2023 Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
A man covers a distance of 30 km at a speed of 75 km/h and a distance of 50 km at a speed of 60 km/h. What is his average speed for the whole journey? (correct to one decimal place)
1
64.9 km/h
2
62.8 km/h
3
63.6 km/h
4
67.5 km/h