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.

17 articles were bought for ₹3910 and sold for ₹4590. How much was the approximate profit percentage per article?

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

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

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

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? 

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

A dishonest dealer marks up the price of an article by 15% and gave a discount of 20%. He also uses 900gm instead of 1000gm. Find his profit percent.