Ram professes to sell his goods at the cost price but he made use of 850 grms instead of a kg, what is the gain percent?  Options.
A) 11 1/7% B) 11 7/7% C) 11 1/9% D) 17.64% E) 11 1/2%
850 --- 150   100 --- ? =&gt; 17.64%   Answer:17.64%
<result>D</result>
Ram professes to sell his goods at the cost price but he made use of 850 grms instead of a kg, what is the gain percent?