Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is:
Select:
A) 30%  B) 100/3%  C) 35%  D) 44%  E) None of these
Explanation :   C.P. of 6 articles = Rs. 5   =&gt; C.P. of 1 article = Rs. 5/6   S.P. of 5 articles = Rs. 6   =&gt; S.P. of 1 article = Rs. 6/5   Profit earned per article = 6/5 - 5/6 = 11/30   % Profit = 11/30∗6/5∗100% = 44%   Answer : 44%
<result>D</result>
Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is: