Instructions
The following table gives demand and supply of cement, in million tons, for the period 2005 to 2010. Surplus is defined as excess of supply over demand. Read the table and answer the Questions.
Question 12
The percentage increase in demand of cement was the highest as compared to its previous year in
Solution
Percentage increase in Demand = $$\frac{Current\ year\ demand\ -\ \Pr evious\ year\ demand}{\Pr evious\ year\ demand}\times\ 100$$.
This percentage is highest for 2009 i.e. $$\frac{57.5-53.4}{53.4}\times\ 100\ =\ 7.6\%$$.
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