On selling an article at a certain price a man gains 10%. On selling the same article at double the price, gain per cent is

On selling an article at a certain price a man gains 10%. On selling the same article double the price, gain per cent is

The selling price of an article is 6/5 of the cost price. The gain per cent is

A person sells an article at a certain price. What is his gain percent, if by selling it at 80% of that price, he loses 16%?

A man gains 10% by selling an article for a certain price.If he sells it at double the price,then the profit made is