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 options
A) 16 2/3% loss
B) 66 2/3% loss
C) 56 2/3% loss
D) 26 2/3% loss
E) 96 2/3% loss
Explanation:   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%?