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A car owner b...

Question

A car owner buys petrol at the rate of Rs. 11, Rs. 12 and Rs. 13 for three consecutive years. What approximately is the cost per litre of petrol if he spends 6000 on petrol each year?

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11.94

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12.06

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12.5

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Solution

The correct option is B 11.94
Litres of petrol bought $= \frac{6000}{11} + \frac{6000}{12} + \frac{6000}{13} = 1507$ litres Average price of petrol $= \frac{18000}{1507} = 11.94$ Rs./litre

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A car owner buys petrol at the rate of Rs. 11, Rs. 12 and Rs. 13 for three consecutive years. What approximately is the cost per litre of petrol if he spends 6000 on petrol each year?

The correct option is B 11.94Litres of petrol bought =600011+600012+600013=1507 litres Average price of petrol =180001507=11.94 Rs./litre

The correct option is B 11.94
Litres of petrol bought $= \frac{6000}{11} + \frac{6000}{12} + \frac{6000}{13} = 1507$ litres Average price of petrol $= \frac{18000}{1507} = 11.94$ Rs./litre