A shopkeeper marks an article 24% above its cost price and allows a 15% discount on the marked price. If he earns a profit of Rs. 27 by selling the article, then the selling price of the article is:

Mohan bought 25 books for Rs. 2,000 and sold them at a profit equal to the selling price of 5 books. The selling price of 1 book is: 

A man bought 20 dozen eggs for Rs. 720. What should be the selling price of each egg if he wants to make a profit of 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?

A shopkeeper gains 20 percent by giving a discount of 10 percent of the marked price of a toy. If he had given a discount of 20 percent, then what would be his profit percentage?

If the cost price of 28 items is equal to the selling price of 21 items, what is the profit percentage?

A shopkeeper buys three products a, b, c and sells them at 20%, 30%, 40% profit, respectively. What is ratio of the selling price of these products, if the ratio of their cost prices is 4:3 :2?

If Manoj buys 324 toffees for Rs 486, then how many toffees should he sell for Rs 90 to make 50% profit?