There is 10 % loss if a watch is sold for Rs 1440/-. At What price it is to be sold to get 15 % profit. 

Oranges are bought at 7 for Rs. 3. At what rate per hundred must they be sold to gain 33 % ? 

Cost of 18 shirts and 45 trousers is Rs 68,400. What is the cost of 10 shirts and 25 trousers?

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

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

A shopkeeper marked an article 75% above the cost price and sold it after a discount of 50%. Find the cost price of the article if he had a loss of Rs. 156.

Sujatha sold 75% of her goods at a profit of 24% and the remaining at a loss of 40%. What is her gain/loss percentage on the whole transaction?