A man buys an article for 15% less than its value and sells it for 15% more than its value. His gain or loss percent is:  Choose the correct choice
A) no profit, no loss  B) 20% profit  C) less than 35% profit  D) more than 35% profit  E) None
Let the article be worth Rs. x.   C.P. 85% of Rs. x = Rs. 85x/100   S.P. = 115% of Rs. x = Rs. 115x/100   Gain = (115x/100 - 85x/100) = Rs. 3x/10   Gain % = 3x/10 * 100/85x * 100 = 35 5/17 % &gt; 35%   ANSWER:more than 35% profit
<result>D</result>
A man buys an article for 15% less than its value and sells it for 15% more than its value. His gain or loss percent is: