railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A person divides the route of his journey into three equal parts and decides to travel the parts at the speeds of 40 km/h, 30 km/h and 15 km/h, respectively. What is his average speed during the whole journey?
1
24 km/h
2
15 km/h
3
12 km/h
4
20 km/h