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A car owner buys petrol at Rs.9.50, Rs. 9 and Rs. 10.50 per liters for three successive years then What is the average cost per liters of petrol if he spends Rs. 8000 each year?


1. Rs. 9.62
2. Rs. 16.86
3. Rs. 8.62
4. Rs. 5.76
5.

None of these

1 Answer

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Best answer
Correct Answer - Option 1 : Rs. 9.62

Given:

A car owner buys petrol at Rs.9.50, Rs. 9 and Rs. 10.50 per liters for three successive years

Calculation

Total quantity consumed in the 3 years = 8000/9.50 + 8000/9 + 8000/ 10.50

                                                             = 842.10 + 888.88 + 761.90

                                                               = 2492.88 liters

Total amount spends = 3 × 8000 = 24,000

Then,

Average cost price = 24000/2492.88

                                = Rs. 9.62

Hence, Average cost price = Rs. 9.62

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