Percentage Practice Test 5 with solutions

Question : 6 of 40

Marks: +1, -0

There is 20% increase in the price of petrol every year. If the price in 2005 was Rs. 20 per litre. What would be the price per litre in 2008?

Solution:

In 2008 price of petrol per litre

=20(1+20/100)^3=20×6/5×6/5×6/5

= Rs. 34.56

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