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

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%?

A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?

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 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 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: