The following table shows the number of different types of vehicles in a parking lot:
| Type of Vehicle : | Cars | Bikes | Trucks | Vans | Buses |
| Number : | 75 | 48 | 22 | 30 | 15 |
If a pie chart is constructed for the above data, what will be the angle of the sector representing cars?
1
142.2°
2
112.5°
3
90°
4
162°