Question

A Bookseller sells a book fir Rs. 100 gain 20 , his gian % is​

Answer 1

$25\% \\ selling \: price \: = \: rs \: 100 \\ profit = \: rs \: 20 \\ cost \: price = sp - profit = 100 - 20 = 80$

$thus \: profit\% = \frac{profit}{cp} \times 100 = \frac{20}{80} \times 100 = 25\%$

Answer 2

Answer:

25%

Step-by-step explanation:

Selling price=Rs 100

Profit = Rs 20

Cost price =SP -Profit =100-20=80

This, profit%=profit/CP *100=20/80 *100 =25%