[" 25.A discount of "15%" on one article is the same as a "],[" discount of "20%" on another article.The cost of the "],[" two articles can be "]

A discount of 15% on one article is the same as a discount of 20% on another article. The costs of the two articles can be R s .40 , R s .20 b. R s .60 , R s .40 c. R s .80 , R s .60 d. R s .60 , R s .40

The selling price of one article after allowing a discount of 15 % on its cost price is same as the selling price of another article after allowing a discount of 25% on its cost price. If the sum of the cost price of both the articles is ₹640, then find the selling price of each article.

An article is sold for Rs. 288 after successive discounts of 20% and 25%. What is the marked price of the article ?