Abhi covers the distance of place A to B with the same speed of 48 km/h and the distance from B to C with the same speed of 120 km/h. If the ratio of distance of AB : BC is 2 : 3, then what is the average speed for the whole journey?
1
72 km/h
2
84 km/h
3
80 km/h
4
75 km/h