Question
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?
Answer: Option A
- Quantity of petrol consumed in 3 years = 4000 7.50 + 4000 8 + 4000 8.50 litres = 4000 ( 2 15 + 1 8 + 2 17 ) = 76700 51 litres Total amount spent = Rs. (3 x 4000) = Rs. 12000. Average cost =. 12000 x 51 76700 = Rs. 6120 767 = Rs. 7.98
Was this answer helpful ?
- Quantity of petrol consumed in 3 years = 4000 7.50 + 4000 8 + 4000 8.50 litres = 4000 ( 2 15 + 1 8 + 2 17 ) = 76700 51 litres Total amount spent = Rs. (3 x 4000) = Rs. 12000. Average cost =. 12000 x 51 76700 = Rs. 6120 767 = Rs. 7.98
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution