A woman buys a soccer ball for rs.9.00 and sells it for rs.12.00. Find her gain %.  Choose one:
A) 36.33% B) 9% C) 33.33% D) 24% E) 12%
sol. cp=rs 9.00, sp=rs 12.00   gain=rs(12.00 –9.00)=rs 3.00   so gain%={(3.00/9.00)*100}=33.33%   Answer is 33.33%.
<result>C</result>
A woman buys a soccer ball for rs.9.00 and sells it for rs.12.00. Find her gain %.