1.

If the difference between the two expenditures are represented by 18° in the pie-chart, then these expenditures possibly are

Answer» Central angle of 18° = 18 x 100 % of the total expenditure 360 = 5% of the total expenditure. From the given chart it is clear that: Out of the given combinations, only in combination (d) the difference is 5% i.e. Paper Cost - Printing Cost = (25% - 20%) of the total expenditure = 5% of the total expenditure.


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