Question : If the selling price of an article is $1\tfrac{1}{3}$rd of the cost price, find gain percentage:

Question : The cost price of two dozen bananas is Rs. 30. After selling 15 bananas at Rs. 12 per dozen, the shopkeeper sells the remaining bananas at Rs. 5 per dozen. What is the loss percentage?

Question : If an article is sold at $\frac{9}{10}th$ of its usual selling price, 20% profit would be made on it. Find the profit percentage which would have been made on it on selling it at its usual selling price.

Question : A tradesman marks his goods at 25% above the cost price. If he reduces the marked price by $12\frac{1}{2}\%$, then his profit will be:

Question : What is the value of $\frac{\frac{5}{6} \text { of } \frac{1}{3} \times \frac{12}{25}-\frac{1}{3} \text { of } \frac{5}{6} \times \frac{18}{25}}{\frac{25}{12} \text { of } \frac{1}{6} \times \frac{2}{5}+\frac{3}{8} \text { of } \frac{12}{25} \times \frac{5}{6}}$?