A motorcyclist goes from city X to Y, a distance of 192Km, at an average speed of 32Kmph. Another man starts from city X by car, 2.5hrs after the motorcyclist and reaches city Y 0.5hr earlier. What is the ratio of the speed of the motorcyclist to that of the car?
1) 1:2
2) 1:3
3) 5:4
4) 2:1
5) 2:3
1) 1:2
2) 1:3
3) 5:4
4) 2:1
5) 2:3