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A bookseller procures 40 books for Rs 3200 and sells them...

This question belongs to Arithmetic Ability Profit And Loss
Profit and Loss
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A bookseller procures 40 books for Rs. 3200 and sells them at a profit equal to the selling price of 8 books. What is the selling price of one dozen books, if the price of each book is same?

Answer & Solution
Correct Answer: Option C
Cost price of each book,
= $$\frac{{3200}}{{40}}$$  = Rs. 80.
Now,
Selling Price of 40 books = CP of 40 books + SP of 8 books.
Selling Price of 40 books - SP of 8 books = CP of 40 books.
SP of 32 books = Rs. 3200
SP of 1 book = $$\frac{{3200}}{{32}}$$  = Rs. 100.
So, Selling price of one dozen (12) book = 12 × 100 = Rs. 1200
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1 Comment
Md Helal
Md Helal 8 years ago
CP of 1 book = 3200/40 = 80
SP of 40 books = CP of 40 books + SP of 8 books
⇒ SP of 32 books = CP of 40 books
⇒ SP Of 1 book = 3200/32 = 100
⇒ SP of 12 books = 100*12 = 1200
Solved by : Md. Helal Uddin
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