On selling an article for Rs 21, a loss was incurred with same percentage as the cost price. Find the cost price

A dealer sells an article for Rs. 16 and loses as much per cent as the cost price of the article. Find the cost price of the article.

By selling an article for 21, a man lost such that the percentage loss was equal to the cost price. The cost price of the article is :

A dealer sells an article for Rs. 24 and gains as much percent as the cost price of the article. Find the cost price of the article.

By selling an article for Rs96, a man gains as much percent as its cost price. Find the cost price of the article.

By selling an article for Rs. 144, a person gained such that the percentage gain equals the cost price of the article. The cost price of the article is

A dealer sells an article for Rs. 75 and gains as much per cent as the cost price of the article. Find the cost price of the article.

A dealer sells an article for Rs.24 and gains as much percent as the cost price of the article. Find the cost price of the article.