Discussion

Which source of energy has shown the highest growth rate in production during 2006-07 to 2010-11 ?

Answer: A

Of the sources listed, coal and lignite shows the highest growth in production from 2006-07 to 2010-11.

\[ \text{Coal: } \frac{9207 - 7459}{7459} \approx 23.4\% \]

\[ \text{Crude: } \frac{1579 - 1423}{1423} \approx 11\% \]

\[ \text{Hydro: } \frac{5059 - 4763}{4763} \approx 6.2\% \]

\[ \text{All: } \frac{17857 - 14868}{14868} \approx 20.1\% \]

Coal is highest among the four choices. Natural gas grew faster still, but it is not one of the options.

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