A shopkeeper sells his goods at cost price but uses a faulty meter that weighs 900 grams. Find the profit percent.	Choices
A) 100/17%  B) 100/23%  C) 100/9%  D) 100/13%  E) None of these
Explanation:   (100 + g) / (100 + x) = True measure / Faulty measure   x = 0   true measure = 1000   faulty measure = 900   100 + g / 100 + 0 = 1000 / 900   100+g = 10/9*100   g = 100/9 %   ANSWER: 100/9%
<result>C</result>
A shopkeeper sells his goods at cost price but uses a faulty meter that weighs 900 grams. Find the profit percent.