A person sells a book for Rs.11. He gains as many percent as its cost price in rupees. What is the cost price?Options40201030
Question
Solution 1
The problem states that the gain percentage is equal to the cost price.
Let's denote the cost price as 'x'.
According to the problem, the selling price is the cost price plus the gain. The gain is x% of the cost price, which is (x/100)*x.
So, the selling price is x + (x/100)*x = Rs.11.
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