ibm - a car owner buys petrol at rs750 rs8 and rs850 per liter for three successive years what approximately is the average cost per litre of petrol if he spends rs4000 each year - skillgun

Total quantity of petrol consumed in 3 years
= ([4000/7.50] +[ 4000/8] + [4000/8.5] litres
= 76700 / 51 litres
Total amount spent = Rs. (3 x 4000) = Rs. 12000.
Average cost = Rs. [12000 x 51] /76700