The C.P of 15 books is equal to the S.P of 18 books. Find his gain% or loss%?
Choose the correct choice from the following answers.
A) 16 2/3% loss B) 16 2/9% loss C) 16 2/2% loss D) 16 2/3% loss E) 16 3/9% loss
15 CP = 18 SP   18 --- 3 CP loss   100 --- ? =&gt; 16 2/3% loss   16 2/3% lossnswer: 16 2/3% loss
<result>A</result>
The C.P of 15 books is equal to the S.P of 18 books. Find his gain% or loss%?