A trader bought 10 kg of apples for Rs. 405 out of which 1 kg of apples were found to be rotten. If he wishes to make a profit of 10 % at what rate should he sell the remaining apples per kg? 

Priya purchased two mixers for Rs.1500 and made a profit of 9% on one and loss of 6% on the other. But overall there is no profit or loss, then cost price of mixture are in the ratio?

A fan is sold for ₹1,560 at a profit of 30%. If its selling price is ₹960, then what will be the loss percentage?

Ram sells a car to Mohan at a profit of 16% and Mohan sells it to Shyam at a profit of 25%. How much profit% Ram would have got if he had sold the car directly to Shyam at the price Shyam bought it?

The cost price of an article is Rs x. It is marked up by 200%. It is sold at Rs. 540 after giving 25% discount. What is the value of x (in Rs)? 

P purchase an item for Rs 1200 and sold it on a profit of 10%. If he sells it at Rs 1380 then calculate his increase in profit percentage.