A) 14%
B) 16%
C) 18%
D) 20%
Correct Answer: A
Solution :
Let the cost price = Rs. x |
\[\therefore \]Marked price \[=x+20%\] of x |
\[=x+\frac{x}{5}\]= Rs. \[\frac{6x}{5}\] |
Selling price = Rs. \[\left( \frac{6x}{5}-5%of\frac{6x}{5} \right)\] |
= Rs. \[\frac{6x}{5}\left( 1-\frac{1}{20} \right)\] |
= Rs. \[\frac{6x}{5}\times \frac{19}{20}\]= Rs. \[\frac{57x}{50}\] |
Profit \[=\frac{57x}{50}-x\] = Rs. \[\frac{7x}{50}\] |
\[\therefore \]Profit per cent\[\frac{\frac{7x}{50}}{x}\times 100=14%\] |
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