A) Rs. 40
B) Rs. 45
C) Rs. 50
D) Rs. 35
Correct Answer: A
Solution :
Let the cost price of the article = Rs. x Selling price at 10% loss \[=x\frac{90}{100}\]= Rs. 9x Selling price at \[12\frac{1}{2}%\] gain \[=x\times \frac{100+12\frac{1}{2}}{100}\] = Rs. \[\frac{225x}{200}\] According to the question, \[9x+9=\frac{225x}{200}\] \[\Rightarrow \] \[180x+1800=225x\] \[\Rightarrow \] \[225x-180x=1800\] \[\Rightarrow \] \[45x=1800\] \[\therefore \] x = Rs. 40You need to login to perform this action.
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