Pie Charts
Data Interpretation

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Common Information

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.

Common information image for Pie Charts, Data Interpretation:1621-1

Q.

Common Information Question: 2/9

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. 36.75

 B.

Rs. 37.50

 C.

Rs. 42.33

 D.

Rs. 44.25

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Solution:
Option(B) is correct

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,

$120 : 25 = 180 : n$

$⇒ n = \text{Rs. }\dfrac{25 × 180}{120}$

$= \textbf{Rs. 37.50}$


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