The ratio of cost price to the marked price of an article is 4 : 5. If the ratio of the
profit percentage on selling the article to the discount allow ed on it is 5 : 4, w hat is the
profit percentage? Answers.
A) 10%  B) 12%  C) 12.5%  D) 15%  E) 17%
CP:MP=4:5   so assume cp=400 and MP=500.   PROFIT%:DISCOUNT=5:4. so let 5x and 4x.   now from the problem   After giving discount on marked price still he has a profit too.   500 - (4x% of 500) = 400 + (5x% of 400)   500 - 2x = 400 + 2x   solving we get x=5/2   profit percentage = 5x = 5(5/2) = 12.5%   ANSWER:12.5%
<result>C</result>
The ratio of cost price to the marked price of an article is 4 : 5. If the ratio of the
profit percentage on selling the article to the discount allow ed on it is 5 : 4, w hat is the
profit percentage?