The difference between the selling prices of a keyboard at losses 15% and 25% is Rs. 50. Then the cost price of a keyboard is :

A store sells a watch for a profit of 25% of the cost. Then the percentage of profit against selling price is-

By selling an article for Rs. 450, I lose 20%. For what price should I sell it to gain 20% ? 

A person has 12 bananas for Rs 24. Sell in So he got the benefit of 25 percent. How many bananas he buy in Rs. 40?

Direction: A shopkeeper has some kg. rice of same price. He sold 150 kg. rice at 25 Rs. per kg. and earned a profit of 25%, another 180 kg. rice is sold at a profit of 20% and rest are sold at a loss of 10%. If the shopkeeper earns Rs. 1230 profit on all the rice that he has sold then answers the following question:

What is the total quantity of rice that the shopkeeper has? 

If Cost price of an article is Rs.220 and profit is 20 %, then what will be the selling price of the article?

Chandu bought a watch at 20 percent discount on mark price but sold it at mark price. Find the percentage of profit.

The cost price of 10 articles is equal to the selling price of 9 articles. Find the profit percent.