Naresh purchased a TV set for Rs. 11,250 after getting a discount of 10 % on the labeled price. He spent Rs. 150 on transport and Rs. 800 on installation. At what price should it be sold so that the profit earned would have been 15 % if no discount was offered? 

By a selling basket for Rs. 19.50, a shopkeeper gains 30 %. For how much should he sell it to gain 40 %? 

The cost price of an article is 480. If it is to be sold at a profit of 6.25 %, how much would be its selling price? 

If 3 toys are sold at the cost price of 4 toys of the same kind, the profit will be:

A merchant buys an article for Rs. 27 and sells it at a profit of 10 % of the selling price. The selling price of the article is: 

A wholesaler had 200 dozen of mangoes. He sold some of these mangoes at 20 % profit and the rest at 10 % profit, so that he made 13 % profit on selling all the mangoes. How many mangoes in dozens) did he sell at 20 % profit? 

When Vijay sells 12 pens, he gains the selling price of pens. Calculate his % profit?