Question

the cost price of 16 books is equal to the selling price of 30 books.find the gain%

Answer 1

$\huge\bold{Solution}$

$<b><i>$ Solution Given below

CP of 16 notebook = Sp of 30 notebooks

To find Gain

SP = Rs 30

CP = RS 16

we use formula

Gain = SP - CP

Gain = 30 - 16

Gain = 14

then we find gain%

we use formula

gain% = Gain / Cost price * 100

gain%= 14 / 16 * 100

gain % = 87.5%

$\huge\boxed{Answer= 87.5 percent}$

Answer 2

Let, CP of 1 book rs.1
CP of 16 books =16
SP of 30 books =30
profit=30-16
=14
P%=p/cp×100
=14/16×100
=87.5%