Ram professes to sell his goods at the cost price but he made use of 900 grms instead of a kg, what is the gain percent?
Choose the correct choice from the following options
A) 11 1/7%  B) 11 7/7%  C) 11 1/9%  D) 71 1/9%  E) 11 1/2%
900 --- 100   100 --- ? =&gt; 11 1/9%   Answer:11 1/9%
<result>C</result>
Ram professes to sell his goods at the cost price but he made use of 900 grms instead of a kg, what is the gain percent?