A man gains 20% by selling an article for a certain price. If he sells it at double the price, the percentage of profit will be

A person bought an article and sold it at a profit of 20%. Had he bought it at 20% less, what would have been the profit percentage if the selling price had been the same?

If the selling price of an article is 20% less than its marked price, what is the discount percentage offered by the shopkeeper?

A man sells 320 mangoes at the cost price of 400 mangoes. His gain percentage is :

A shopkeeper marks the price of an article 20% above the cost price. If he gives a discount of 10%, what is his profit percentage?

The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25%…