Discussion

In which year primary sources recorded the lowest growth in total production of energy ?

Answer: C

The lowest growth in total production of energy was in 2009-10.

Find the year-on-year increase in the total column.

\[ 2007\text{-}08: 15547 - 14868 = 679 \]

\[ 2008\text{-}09: 16277 - 15547 = 730 \]

\[ 2009\text{-}10: 16889 - 16277 = 612 \]

\[ 2010\text{-}11: 17857 - 16889 = 968 \]

The smallest rise, 612, is in 2009-10. In percentage terms it is also the smallest, about 3.8 per cent.

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