The cost price of 18 articles is equal to the selling price of 11 articles. Find the profit percent? Answers
A) 68 2/91%  B) 63 7/11  C) 68 9/11%  D) 68 2/91%  E) 62 2/11%
18 CP = 11 SP   11 --- 2 CP   100 --- ? =&gt;63 7/11%   Answer:63 7/11
<result>B</result>
The cost price of 18 articles is equal to the selling price of 11 articles. Find the profit percent?