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Mathematics 19 Online
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?

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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