A dealer purchases a radio set for ₹350 and spends ₹100 on repair. He makes a profit of 40% by selling it. Selling price?

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 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 sells a car for ₹20,000, making a profit of 25% on the cost price. What is the cost price of the car?

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

By selling 90 ball pens for ₹160 a person loses 20%. How many ball pens should be sold for ₹96 so as to have a profit of 20%?