A shopkeeper buys an item for ₹100 and sells it for ₹120. What is his profit percentage?

A trader bought 10 items for 2,500 and sold them for ₹3,000. What is his profit percentage?

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 retailer buys a radio for Rs. 225. His overhead expenses are Rs. 15. He sells the radio for Rs. 300. The profit percent of the retailer is

A shopkeeper sells one transistor for Rs. 840 at a gain of 20% and another for Rs. 960 at a loss of 4%. His total gain or loss percent is:

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