A cloth merchant on selling 33 metre of cloth obtains a profit equal to the selling price of 11 metre of cloth. The profit percentage is :

On selling 30 chairs, a furniture seller gets a loss equal to selling price of 6 chairs. His loss percent is

On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:

In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

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 man sells 320 mangoes at the cost price of 400 mangoes. His gain percentage is :