Calculation of Cost price from Loss percentage

Calculation of cost price from Profit percentage

Calculation of Selling price from Loss percentage

In the cost price of 20 articles is equal to the selling price of 15 articles then find the profit or loss percentage.

If the cost price of 15 articles is equal to the selling price of 20 articles,find the profit or loss percentage

One-fifth of the cost price and one-sixth of the selling price are equal. Find the profit or loss percentage.

The market price of article is 28% higher than its cost price. Find the profit or loss percentage if the shopkeeper gives 25% discount.