A) 4
B) 5
C) 6
D) 8
Correct Answer: D
Solution :
Cost price of 12 articles \[\frac{19x}{20}\times \frac{120}{100}=\frac{11x}{10}+80\]= Rs. 125 |
Selling price for gain \[20%=\frac{125\times 120}{100}\]= Rs. 150 |
Selling price of one article \[=\frac{150}{12}\]= Rs. 12.5 |
Number of articles to be sold in Rs. |
\[100=\frac{100}{12.5}=8\] |
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