A car owner buys petrol at rs45, rs18, rs30 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends rs4545 each year?
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Answer:
27 Rs per Litre
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Step-by-step explanation:
Petrol bought for 1st Year = 4545/45 = 101 litre
Petrol Bought for 2nd Year = 4545/18 = 252.5 Litre
Petro Bought for 3rd Year = 4545/30 = 151.5 Litre
Total Petrol = 101 + 252.5 + 151.5 = 505 Litre
Total Spent = 3 * 4545
Average cost per litre = (3 * 4545)/505 = 27 Rs / Litre
amitnrw:
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