The following question is based on the standard percentage distribution of expenditure incurred in publishing a book:

If for a certain quantity of books, the publisher has to pay as printing cost, then what will be the amount of royalty to be paid for these books?
- A
- B
- C
- D
Solution & Step-by-step Explanation
Let the total expenditure incurred in publishing the books be .
Given that the printing cost is of the total expenditure:
The royalty to be paid is of the total expenditure:
Alternatively, using direct ratio:
Given that the printing cost is of the total expenditure:
The royalty to be paid is of the total expenditure:
Alternatively, using direct ratio: