Stella buys an advertising agency for rs.16,000,000 and sells it for rs.20,000,000. Find her gain %.  Choose the correct choice.
A) 9%  B) 20%  C) 14%  D) 87%  E) 25%
sol. cp=rs16,000,000, sp=rs 20,000,000   gain=rs(20,000,000 –16,000,000)=rs4,000,000   so gain%={(4,000,000/16,000,000)*100}=25%   Answer is 25%.
<result>E</result>
Stella buys an advertising agency for rs.16,000,000 and sells it for rs.20,000,000. Find her gain %.