If an article is sold at 25% profit, find the ratio of cost price to selling price

An article is sold at a profit of 25% If both the cost price and the selling price of the article are increased by Rs. 200 the profit percentage is 20% . What is the original cost price of the article?

An article is sold at a profit of 15%. If both the cost price and the selling price of the article are reduced by Rs. 140 each then the profit percentage becomes 19.2%. The cost price of the article is:

An article is sold at a profit of 20%. If both the cost price and selling price are Rs 100 less, the profit would be 4% more. Find the cost price.

In place of 18% profit an article is sold at 32% profit and seller gets ₹112 more. Fmd the selling price of article ifitwere sold at 25% profit?

Cost price of article A is Rs 200 more than the cost price of article B. Article A was sold at 10% loss and article B was sold at 25% profit. If the overall profit earned after selling both the articles is 4%, then what is the cost price of article B?