A man buys an article for $100. and sells it for $125. Find the gain percent? Choose the most appropriate option
A) 10%  B) 15%  C) 25%  D) 20%  E) 30%
C.P. = $100   S.P. = $125   Gain = $25   Gain% = 25/100 *100= 
<gadget id="calculator">25/100 *100</gadget>
<output>25</output>
25%   Answer is 25%
<result>C</result>
A man buys an article for $100. and sells it for $125. Find the gain percent?