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 choices.
A) 16 2/3% loss	B) 100/3% loss	C) 50/3% profit	D) 100/3% loss	E) None of these
Explanation:   15 CP = 18 SP   18 --- 3 CP loss   100 --- ? =&gt; 16 2/3% loss   16 2/3% lossNSWER IS 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%?