A trade buys 800 kgs of tomatoes for Rs 7200.  10% tomatoes are damaged in transportation. At what rate (Rs / kg) should he sell the rest earn 30 % profit? 

A shopkeeper by selling  13 Titan watches, earns a profit equal to the selling  price  of 3 Titan watches. His profit percentage 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? 

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

A piece of land came to a person through three middlemen each gaining 20%. If the person purchased the land for Rs. 3,45,600 the original cost of the land was: 

The cost price of an article is Rs x. It is marked up by 200%. It is sold at Rs. 540 after giving 25% discount. What is the value of x (in Rs)? 

A trader sold an article at profit of 20%. Had he bought that article at 60% less price and sold it at Rs 90 less, then he would have gained 50%. What is the value (in Rs) of cost price? 

By what fraction selling price ( S.P. ) must be multiplied to get the cost price ( C.P. ) if the loss is 20%?