MCQOPTIONS
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				| 1. | 
                                    An article is sold at 20% profit. If its cost price is increased by Rs. 50 and at the same time if its selling price is also increased by Rs. 30, the percentage of profit decreases by \(3\frac{1}{3}\%\), then the cost price is | 
                            
| A. | Rs. 851 | 
| B. | Rs. 852 | 
| C. | Rs. 850 | 
| D. | Rs. 853 | 
| Answer» D. Rs. 853 | |