The cost price of 10 articles is equal to the selling price of 9 articles. Find the profit percent.

If the cost price of 20 articles is equal to the selling price of 15 articles, find the profit per cent.

If the cost price of 120 articles is equal to the selling price of 80 articles, find the profit percent? (A) 33.33% (B) 40% (C) 50% (D) 60%

If the cost price of 20 articles is equal to the selling price of 18 articles, then find the profit per cent.

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

The cost price of 27 articles is same as the selling price of 18 articles. Whatis the profit percent?

The cost price of 50 articles is equal to the selling price of 40 articles. Gain percent is :