The following pie chart below shows the expenditure in book publishing by a publisher under various heads. Given that marked price of a book is ₹270, ...
Question
The following pie chart below shows the expenditure in book publishing by a publisher under various heads.
Given that marked price of a book is ₹270, what is the cost of paper to publish a single copy of the book if the marked price of a book is 20% more than its cost price?