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%?

By selling 45 lemons for ₹40, a man loses 20%. How many should he sell for ₹24 to gain 20% in the transaction?

Shashi loses 25% by selling oranges at the rate of Rs 150 per dozen. At what rate should she sell them to get a profit of 20%?

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?

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%…

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