A profit of 10% is made when a smartphone is sold at P rupees and there is 4% loss when the smartphone is sold at Q rupees. Then P : Q is

Neelu buys lemons at the rate of 2 lemons in one rupee and sells them at the rate of 5 lemons in three rupees. Her profit is

Ramesh sold two motorcycles for Rs. 54,500 each. He earns profit of 8% on one motorcycle and suffers a loss of 8% on another motorcycle, then his net loss or profit in this deal is :

Ravi bought a watch and sold it to Ram at 20% profit. Then Ram wanted to sell it back to Ravi at 20% loss. If Ravi agrees to it, then Ravi will have

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

A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is: