The cost price of an article is ₹800. After allowing a discount of 10%, a gain of 12.5% was made. The marked price of the article is:

₹1,000

According to Question,
                
CP                                   MP

(100 - Discount)      (100 + Profit%)

100 - 10        100 + 12.5

90 units        112.5 units

90 units  = 800

1 unit = \(\frac{800}{90}\)

112.5 unit = 1000