Pie Charts Questions & Answers - Page 10

46.

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

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?

A.

Rs. 36

B.

Rs. 37.50

C.

Rs. 42

D.

Rs. 44.25

Correct answer is B

Clearly, marked price of the book = 120% of C.P.

Also, cost of paper = 25% of C.P

Let the cost of paper for a single book be Rs. n.

Then, 120 : 25 = 180 : n   =>   n = Rs. ( (25 x 180)/120 ) = Rs. 37.50

47.

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

What is the central angle of the sector corresponding to the expenditure incurred on Royalty?

A.

15°

B.

24°

C.

54°

D.

48°

Correct answer is C

Central angle corresponding to Royalty = (15% of 360)° = ( 15/100 x 360 )° = 54°.

48.

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