Krishnan bought a camera and paid 20% less than its original price. He sold it at 40% profit on the price he had paid. The percentage of profit earned by Krishnan on the original price was

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:

Find the quantity of those rice that are sold at a loss of 10%. 

There is 10% loss if an article is sold at Rs. 270. Then the cost price of the article is

A & B jointly made a profit of Rs. 1650 and they decided to share it such that 1/3 of A's profit is equal to 2/5 of B's profit. Then profit of B is 

A sells a good to B at a profit of 20% and B sells it to C at a profit of 25%. If  C pays Rs. 225 for it, what was the cost price of A?

Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs. 33, then what could be the percentage of profit or loss?

A man gain 15% by selling a calculator for a certain price. If he sells it at the triple price, then what will be the profit percentage?

If the cost of 1 dozen apples is Rs. 18, then the cost of 25 apples will be -