A car owner buys petrol at Rs 7.50, Rs. 8 and Rs. 8.50 per litre for three succe May 24, 2022 by admin โช Choose the correct option.A car owner buys petrol at Rs 7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year ?A. 6.23B. 7.98C. 8.97D. 9.89 Submit Answer