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Basic Mathematics
QUESTION #8000
Question 1
A doll is sold for Rs. 220. What was the cost of the doll if the rate of profit was 10% of the cost?
Correct Answer Explanation
Let cost price \(= c\).
Selling price \(= c + 10\%\text{ of }c = 1.1c = 220\)
\(c = \dfrac{220}{1.1} = 200\)
Cost price \(= \text{Rs. } 200\)
Selling price \(= c + 10\%\text{ of }c = 1.1c = 220\)
\(c = \dfrac{220}{1.1} = 200\)
Cost price \(= \text{Rs. } 200\)
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