railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
A man goes from place A to B at a speed of 12 km/h and returns from B to A at a speed of 18 km/h. His average speed for the entire journey is:
1
14\(\frac{2}{5}\) km/h
2
15 km/h
3
6 km/h
4
30 km/h