A) 10.8%
B) 16.67%
C) 13%
D) 10%
Correct Answer: D
Solution :
Let the price of quantity x kg is Rs. y. \[\therefore \] Selling price of \[\frac{400}{300}x\,kg=Rs.\frac{6y}{5}\] \[\therefore \] Selling price of x kg \[=Rs.\frac{6y}{5}\times \frac{300}{400}\] \[=Rs.\frac{18y}{20}\] \[\therefore \] Discount \[=Rs.\frac{2y}{20}\] \[=Rs.\frac{y}{10}\] Discount per cent \[=\frac{y/10}{y}\times 100%=10\]You need to login to perform this action.
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