A man buys an article for rs.27.50 and sells it for rs.28.50. find his gain percentage.
Choose the most appropriate option:
A) 4  B) 2  C) 1  D) 3  E) None of them
cost price=rs27.50, sp=rs 28.50   gain=rs(28.50 –27.50)=rs1.10   so gain%={(1.10/27.50)*100= 
<gadget id="calculator">(1.10/27.50)*100</gadget>
<output>4</output>
4%   4nswer is 4.
<result>A</result>
A man buys an article for rs.27.50 and sells it for rs.28.50. find his gain percentage.