| A trader fixes selling price of commodities after increasing them by 10% and offers 10% discount on selling prices. The percentage gain or loss is [BSSC (CGL) 2015] |
A) 1% gain
B) 0.9% gain
C) 1.1% loss
D) 1% loss
Correct Answer: D
Solution :
| Let the cost price of the article be Rs. 100. |
| Then, selling price \[=100\times \frac{(100+10)}{100}=110\] |
| Discount offered \[=110\times \frac{90}{100}=Rs.\,99\] |
| Loss percentage \[=\frac{1\times 100}{100}=1%\] |
| Alternate Method |
| \[\left[ +10-10-\frac{10\times 10}{100} \right]=-1%=1%\,loss\,(-\text{v}e\,\text{sign})\] |
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