GATE EC 2014 Set 4 — Question 8
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General Aptitude → Quantitative Aptitude → Ratios, Percentages, Powers, Exponents & Logarithms
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Question
Industrial consumption of power doubled from 2000-2001 to 2010-2011. Find the annual rate of increase in percent assuming it to be uniform over the years.
Correct answer
(B) 7.2
Solution
Let be the power consumption in 2000-2001 and be the consumption in 2010-2011.
Given that the power doubled over years, we have .
Assuming a uniform annual growth rate :Using :The closest option is 7.2%.Thus, the correct option is (B).
Given that the power doubled over years, we have .
Assuming a uniform annual growth rate :Using :The closest option is 7.2%.Thus, the correct option is (B).
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