A bike is sold at a certain price. By selling it at two third of that price one loses 10%. Find the gain percent at original price.
35% gain
x- original price x-10%= 0.9x 0.9x/(2/3)=1.35x = x+35% --> 35% gain
The profit earned by selling a chocolate for Rs. 900 is double the loss incurred when the same chocolate is sold for Rs. 490. At what price should the chocolate be sold to make 25% profit?
By selling an article for Rs. 171, a shopkeeper gains as much percent as the cost price of an article. In order to get 40% profit, at what price (Rs) he should sell an article?