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______? April 21, 2026August 4, 2019 A.Rs. 7.98 B.Rs. 8 C.Rs. 8.50 D.Rs. 9 Show AnswerAnswer=Option A