Arib's Toyota Cross averages 25 km/liter inside city and 40 km/liter on highway. Yesterday, he drove to his Gulshan office from the factory which is 105 km away. If the Google Maps showed that he drove 25 km of this distance inside Dhaka, what was his average mileage?

1. ক25
2. খ28
3. গ30
4. ঘ33✓