Question

if selling price of 25 CDs is Same as cost price of 30 CDs, find total profit

Answer 1

do sex
otherwise I will give you anaconda

Answer 2

Let the CP of each CD be Rs.x.

Then,

CP of 25CD=Rs.25

SP of 25 CD=CP of 30 CD =Rs.30

now,gain=SP-CP=Rs.(30-25)=Rs.5

gain%=gain/cp*100

         =(5/30*100)%=16.66%

Hence,the gain=16.66%.