A car owner buys petrol at Rs. 7.50, Rs. 8, and Rs. 8.50 per litre for three successive years. What is approximately the average cost per litre of petrol if he spends Rs. 4000 each year?

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A car owner buys petrol at Rs. 7.50, Rs. 8, and Rs. 8.50 per litre for three successive years. What is approximately the average cost per litre of petrol if he spends Rs. 4000 each year? Answer: Rs. 7.98

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the Demo Paper India preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.