# 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 for a certain quantity of books, the publisher has to pay Rs. 30,600 as printing cost, then what will be amount of royalty to be paid for these books?

### Answer & Explanation:

Answer: Option C

Explanation:

Let the amount of Royalty to be paid for these books be Rs. r.

Then, 20 : 15 = 30600 : r => r = Rs. (30600x15)/20

= Rs. 22,950.

What is the central angle of the sector corresponding to the expenditure incurred on Royalty?

### Answer & Explanation:

Answer: Option C

Explanation:

Central angle corresponding to Royalty = (15% of 360)�

= (15/100)x360�

= 54�.

The price of the book is marked 20% above the C.P. If the marked price of the book is Rs. 180, then what is the cost of the paper used in a single copy of the book?

### Answer & Explanation:

Answer: Option B

Explanation:

Clearly, marked price of the book = 120% of C.P.

Also, cost of paper = 25% of C.P

Let the cost of paper for a single book be Rs. n.

Then, 120 : 25 = 180 : n => n = Rs. (25x180)/120

= Rs. 37.50 .

If 5500 copies are published and the transportation cost on them amounts to Rs. 82500, then what should be the selling price of the book so that the publisher can earn a profit of 25%?

### Answer & Explanation:

Answer: Option A

Explanation:

For the publisher to earn a profit of 25%, S.P. = 125% of C.P.

Also Transportation Cost = 10% of C.P.

Let the S.P. of 5500 books be Rs. x.

Then, 10 : 125 = 82500 : x => x = Rs.(125x82500)/10= Rs. 1031250.

Therefore S.P. of one book = Rs. 1031250/5500= Rs. 187.50 .

Royalty on the book is less than the printing cost by:

### Answer & Explanation:

Answer: Option D

Explanation:

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