'Origin of Life by Natural Selection' is a book written by_____.

The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book. Read the pie-chart and answer the question.

Various Expenditure (in percentage) incurred in publishing a book.

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

The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book. Read the piechart and answer the question.
Various Expenditure (in percentage) incurred in publishing a book.

The central angle of the sector corresponding to the expenditure incurred on Royalty is:

The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book. Read the piechart and answer the questions.
Various Expenditure (in percentage) incurred in publishing a book.

If $5500$ Copies are published and the transportation cost on them amounts to $Rs.82500$ Then the selling price of the book so that the publisher can earn a profit of $25\%$ is:

The following pie-chart shows the percentage distribution of the various expenditure incurred in publishing a book. Read the pie chart and answer the questions. 

If for a certain quantity of books, the publisher has to pay $Rs. 30,600$ as printing cost, then the amount of royalty cost to be paid for these books is:

Various Expenditure (in percentage) incurred in publishing a book.