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OpenStudy (anonymous):
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?
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Parth (parthkohli):
Itna sasta petrol :O
OpenStudy (anonymous):
let's assume
OpenStudy (apoorvk):
Jaldi batao ye jagah kahaan hai, mere ko wahi pe zindagi guzaarni hai!! :D
Parth (parthkohli):
lol to the point: find 4000/7.5 then find 4000/8 then find 4000/8.5
Parth (parthkohli):
Average cost of petrol would be 4000/8 bc 8 is the central tendency
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