The C.P of 8 books is equal to the S.P of 16 books. Find his gain% or loss%?
Choose the most appropriate option
A) 60% B) 50% C) 70% D) 90% E) 55%
explanation:   8 CP = 16 SP   16 --- 8 CP loss   100 --- ? =&gt; 50% loss   Answer: 50%
<result>B</result>
The C.P of 8 books is equal to the S.P of 16 books. Find his gain% or loss%?