railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Speed Time and Distance Average Speed
Find the average speed when the first half of a journey is done at a speed of 60 km/h and the second half at a speed of 40 km/h.
1
45 km/h
2
52 km/h
3
48 km/h
4
50 km/h