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A Smart watch retailer sells a Smart watch for ₹P and earns a profit of 20%. For a special festive offer, he marks the same Smart watch at ₹1.5P. At the offer, he provides a discount of 10%. What will be the percentage profit that he will make during the festive offer?

A fruit vendor sells 20 kg of oranges for ₹900, thereby gaining the cost price of 5 kg of oranges. What is his profit percentage?

A refrigerator has a marked price of ₹15,000. It is sold with two successive discounts. If the second discount is 30% and the final selling price is ₹9,000, what is the percentage of the first discount?

A bookseller purchases 8 novels at the marked price of 6 novels from a distributor. If he then sells these novels to customers, offering a discount of 15% on the marked price, what is his profit percentage?

If all three dimensions of a cuboid are increased by 25%, the volume increases by what percentage?

A retailer marked a commodity at 25% above its cost price and then gave a discount. If the sale finally yielded a profit of 20% on the cost price, what was the discount percentage?

A software company developed 1600 licences for a new application at a total cost of ₹80,00,000. They provided 100 licences free to their top beta testers. For the remaining licences they offered a 30% discount on the market price of ₹12,000 per licence, and additionally gave 1 licence free for every 9 licences sold. What is the profit or loss percentage?

The base area of a prism is increased by 35%, while the height remains the same. By what percentage does the volume increase?

A mixture of 200 litres contains acid and water in the ratio 3 : 5. If 40 litres of the mixture is replaced with water, what will be the percentage of acid in the final mixture?

If the selling price of an item is increased by 10% and the profit also increases from 15% to 20%, what is the percentage increase in the cost price?

A man spends 70% of his income. His income increases by 15% and his expenditure by 10%. What is the percentage increase in his savings?

A tank contains 150 litres of liquid, 30% of which is alcohol. If 20 litres of this mixture is replaced by another liquid containing 40% alcohol, what is the percentage of alcohol in the resulting solution?

If the radius of a sphere is increased by 10 percent, by what percentage will its volume increase?

If equal quantities of two types of wheat are mixed, where the first is sold for $₹60/\mathrm{kg}$ at a $25\%$ profit, and the second is sold for ₹36/kg at a 25% loss. If the mixture is sold at ₹48/kg, what is the loss or gain percentage ?

A trader buys 220 mixed stationery boxes at a rate of ₹160 each. He spends ₹1,600 on transportation and packaging. He sells 120 boxes at ₹180 each and the remaining at ₹170 each. What is his total profit percentage?

A person sells two items for ₹800 each. He gains 35% on one and loses 35% on the other. What is his total loss percentage in the entire transaction?

P does $\frac{1}{4}$ of work in 10 days, Q completes $\frac{1}{5}$ of the same in 12 days. Who is more efficient and by what percentage?

A shopkeeper offers a 'Buy 4, Get 1 Free' scheme. What is the equivalent single discount percentage?