If the cost price of 50 articles is equal to the selling price of 35 articles, then the gain or loss percent is? Choose the most appropriate option:  A) 16  B) 127  C) 12  D) 18  E) 43
Percentage of profit = 15/35 * 100 = 43%   Answer: 43
<result>E</result>
If the cost price of 50 articles is equal to the selling price of 35 articles, then the gain or loss percent is?