A trader increases marked price by 40% and sells after 20% discount. Profit percentage?

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

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?

A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is:

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

The marked price of a fan is 20% more than cost price. If shopkeeper allows 10% discount, his profit is