Ujaan complete a certain journey by a car, if he covered 27% of the distance at the speed of 18 km/h, 48% of the distance at the speed of 32 km/h, remaining distance at the sped of 25 km/h. What was his average speed during the journey?
1
30 km/h
2
45 km/h
3
25 km/h
4
60 km/h
5
20 km/h