cp of 21 articles is equal to sp of 18 articles.find gain or loss %
Choose the correct choice from the following options:
A) 50% B) 25% C) 25/3% D) 3% E) 50/3%
CP of each article be Rs 1   CP of 18 articles =Rs18 ,sp of 18 articles =Rs 21.   Gain%=[(3/18)*100]%=50/3%   Answer is 50/3%.
<result>E</result>
cp of 21 articles is equal to sp of 18 articles.find gain or loss %