engineering recuitment HPCL Engineer Mock Test 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A man travel from A to B at the speed of 20 km/hr. and he come back from B to A at the speed of 30 km/hr. and he again travel from A to B at the speed of 40 km/hr. Find the average speed of the whole journey.
1
25.22 km/hr.
2
27.69 km/hr.
3
30.33 km/hr.
4
21.44 km/hr.