Question

a shopkeeper earns a profit of 10% after allowing a discount of 20% on the marked price.find the cost price of the article whose marked price is rs 180​

Answer 1

Market price of the article = Rs. 880

After discount selling price of the article = 880×80/100

                                                                    = Rs. 704

Cost price of the article = 704×100/110

                                        = Rs. 640