The marked price of an article is ₹1,000. After two successive discounts, it is sold for ₹600. If the first discount is x%, and the second discount is 25%, then what is the value of x?

20%

Marked Price (MP) of the article = Rs.1000 

Selling Price (SP) of the article = Rs.600

First discount = x% 

Second discount = 25%

ATQ,

1000 × \(\frac{(100 - x) }{100}\) × \(\frac{75}{100}\) = 600 

(100 - x) = 600 × \(\frac{100}{75}\) × \(\frac{1}{10}\)

100 - x = 80 

x = 20%