The fare for 12 kg of luggage for a distance of 36 km is 24 rupees. The fare will be charged for 18 kg for a distance of 12 km?

14 rupees

10 rupees

12 rupees

None of these

The fare for 18 kg over 12 km is calculated as follows:

Fare per kg per km = 24 / (12 × 36) = 1/18

For 18 kg over 12 km:

Fare = 18 × 12 × (1/18) = 12 rupees