The ratio of cost price and selling price of an article is 20 : 21. What is the gain per cent on it ?

The ratio of cost price and selling price of an article is 5:4 . Find out loss per cent.

If the ratio of the cost price and selling price of an article is 20 : 21, then what will be the profit percentage?

The selling price of an article is 6/5 of the cost price. The gain per cent is

The ratio of cost price to the selling price of an article is 5 : 6. If 20% discount is offered on marked price of the article then marked price is what percent more than cost price?

The selling price of an article is (11)/(6) xx that of its cost price.The gain per cent is

The ratio of cost price and selling price is 5:4, the loss per cent is:

The selling price of an article is (6)/(5) of the cost price.The gain per cent is