# Pie Charts Questions and Answers

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The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book. Study the pie-chart and the answer the questions based on it.

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

### Answer & Explanation:

Answer: Option D

Explanation:

Central angle of 18� = (18/360)x100% of the total expenditure

= 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.

For an edition of 12,500 copies, the amount of Royalty paid by the publisher is Rs. 2,81,250. What should be the selling price of the book if the publisher desires a profit of 5%?

### Answer & Explanation:

Answer: Option B

Explanation:

Clearly, S.P. of the book = 105% of C.P.

Let the selling price of this edition (of 12500 books) be Rs. x.

Then, 15 : 105 = 281250 : x => x = Rs. (105x281250)/15= Rs. 1968750.

Therefore S.P. of one book = Rs. 1968750/12500

= Rs. 157.50 .

If for an edition of the book, the cost of paper is Rs. 56250, then find the promotion cost for this edition.

### Answer & Explanation:

Answer: Option B

Explanation:

Let the Promotion Cost for this edition be Rs. p.

Then, 25 : 10 = 56250 : p => p = Rs. (56250x10)/25

= Rs. 22,500.

Which two expenditures together have central angle of 108�?

### Answer & Explanation:

Answer: Option A

Explanation:

Central angle of 108� = (108/360)x100% of the total expenditure

= 30% of the total expenditure.

From the pie chart it is clear that:

Binding Cost + Transportation Cost = (20% + 10%) of the total expenditure

= 30% of the total expenditure.

Therefore Binding Cost and Transportation Cost together have a central angle of 108�.

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