Question : A shopkeeper claims to sell his articles at INR 20 per kg which cost him INR 23 per kg. But while selling, he uses a false weight and gives only 800 gm instead of 1 kg. What is his profit percentage?

Question : A dealer sells his goods at a 10% loss on the cost price but uses 25% less weight. What is his profit percentage?

Question : A seller uses a faulty weight in place of a 2 kg weight and earns a 25% profit. He claims that he is selling at the cost price in front of the customers but uses a faulty weight. How much error is there in the 2 kg weight to gain 25%?

Question : A merchant marks up the price of his goods by 40% more than the cost price. He then sells $\frac{1}{5}$ th of his goods at a discount of 10%, half of the goods at the marked price and the rest of the goods at a discount of 20%. Find his profit percentage.

Question : A tradesman marks his goods at 26% above the cost price. He allows his customers a discount of 12% on the marked price. His profit percentage is: