Question 144

In the given pie-chart, what is the ratio of the total expenditure on steel, cement and bricks to the total expenditure on labour and miscellaneous expenses?

The ratio of the total expenditure on steel, cement and bricks to the total expenditure on labour and miscellaneous expenses will be 
Ratio of sum of angles of respective quantities
so we get the ratio as $$\frac{36+72+54}{108+90}=\frac{162}{198}=\frac{9}{11}$$

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