Question : Direction: Various expenditures incurred by a publishing company for publishing books in 2011 are given below. Study the chart and answer the question.
The marked price of a book is 20% above the cost price, If the marked price is Rs. 180, then the cost of paper for a single copy is:
Option 1: Rs. 44.25
Option 2: Rs. 36
Option 3: Rs. 22.50
Option 4: Rs. 42
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Correct Answer: Rs. 22.50
Solution :
Given that the marked price of the book is 20% above the cost price and the marked price is Rs. 180.
Let the cost price be C.
⇒ C + 0.20C = 180
⇒ 1.20C = 180
$\therefore$ C = Rs. 150
The cost of paper is 15% of the total cost.
The cost of paper for a single copy of the book = 0.15 × 150 = Rs. 22.50
Hence, the correct answer is Rs. 22.50.
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