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.
Various Expenditures (in percentage) Incurred in Publishing a Book
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?
A.
Rs. 19,450
B.
Rs. 21,200
C.
Rs. 22,950
D.
Rs. 26,150
Correct answer is C
Let the amount of Royalty to be paid for these books be Rs. r.
Then, 20 : 15 = 30600 : r => r = Rs. ( (30600 x 15)/20 ) = Rs. 22,950