Question

# For the years 2012-13 and 2013-14, value of gross domestic product at factor cost by the industry of origin is given in the following table. Present the information in the form of Pie Diagram showing differences in the percentage contribution of different sectors between the said years. Sector Year 2012-13 2013-14 Primary Secondary Tertiary 17 57 26 16.7 26 57.3 Total 100 100

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Solution

## The percentage values are converted into degree values using the following formula. $\mathrm{Degree}\mathrm{share}=\frac{\mathrm{Percentage}\mathrm{share}}{100}×360\phantom{\rule{0ex}{0ex}}=\mathrm{Percentage}\mathrm{share}×3.6$ Year 2012 - 2013 Year 2013 - 2014 Sector Percentage contribution Degree Share Sector Percentage contribution Degree Share Primary 17 $17×3.6=61.2°$ Primary 16.7 $16.7×3.6=60.12°$ Secondary 57 $57×3.6=205.2°$ Secondary 26 $26×3.6=93.6°$ Tertiary 26 $26×3.6=93.6°$ Tertiary 57.3 $57.3×3.6=206.28°$ Analysing the above diagram, we can conclude that in 2012-13 it is the secondary sector that contributed the most to GDP, on the other hand, in 2013-14, it is tertiary sector that contributed the most to GDP.

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