UPSC CDS Math Average Questions

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Question : 21 of 23
 
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The price of a commodity increased by 5% from 2010 to 2011, 8% from 2011 to 2012 and 77% from 2012 to 2013. What is the average price increase (approximate) from 2010 to 2013?
[2014 CDS-II]
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