A) Rs. 650
B) Rs. 800
C) Rs. 700
D) Rs. 850
Correct Answer: B
Solution :
[b] CP = Rs. 600, Profit = 20%, Discount = 10% Let, Marked Price = Rs. x \[\therefore \] \[SP=x-\frac{x\times 10}{100}=\frac{90x}{100}=\text{Rs}\text{.}\,\,\frac{9x}{10}\] Now, \[CP=CP\frac{(100+\text{profit}%)}{100}\] \[\Rightarrow \] \[\frac{9x}{10}=600\times \frac{(100+20)}{100}\] \[\Rightarrow \] \[\frac{9x}{10}=6\times 120\]\[\Rightarrow \]\[x=\frac{6\times 120\times 10}{9}\] \[\Rightarrow \] \[x=\text{Rs}.\,800\] |
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