The following piechart shows the percentage distribution of the expenditure incurred in publishing a book. Study the piechart and the answer the questions based on it.
Various Expenditures (in percentage) Incurred in Publishing a Book
1.  Which two expenditures together have central angle of 108°? 

Answer: Option A Explanation:
= 30% of the total expenditure. From the pie chart it is clear that:
Binding Cost and Transportation Cost together have a central angle of 108°. 
2.  If for an edition of the book, the cost of paper is Rs. 56250, then find the promotion cost for this edition. 

Answer: Option B Explanation: 
3.  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: Option B Explanation: 
4.  If the difference between the two expenditures are represented by 18° in the piechart, then these expenditures possibly are 

Answer: Option D Explanation:
= 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.

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

Answer: Option D Explanation: 
6.  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: Option A Explanation: 
7.  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: Option B Explanation: 
8.  What is the central angle of the sector corresponding to the expenditure incurred on Royalty? 

Answer: Option C Explanation: 