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Question : A shopkeeper sells a book at a loss of 40%. Had he sold the book for Rs. 120 more, then he would have suffered a loss of 10%. To earn a profit of 10%, what should be the selling price of the book?

Option 1: Rs. 400

Option 2: Rs. 440

Option 3: Rs. 500

Option 4: Rs. 650


Team Careers360 17th Jan, 2024
Answer (1)
Team Careers360 20th Jan, 2024

Correct Answer: Rs. 440


Solution : Let the cost price be 100.
At loss of 40%, selling price = 60
At loss of 10%, selling price = 90
Difference between both selling price = 90 – 60 = 30
The difference is equivalent to Rs. 120.
$\therefore$ Cost price $=\frac{100}{30}×120=400$
To earn a profit of 10%, selling price should be $=\frac{110}{100}\times400= 440$
Hence, the correct answer is Rs. 440.

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