Question

By selling
book for
Rs 100 a
man gains Rs 25
his gain percent
RS
?

Answer 1

Answer:

let, his profit be x

percentage of profit = 100 x x = 25

100

x = 25

so, the man gain a profit of 25%

Answer 2

Step-by-step explanation:

$\bold \red{given} = s.p = 100 \\ g = 25\\\ \bold \green{to \: find} = gain\% \\ c.p = s.p - p \\ = 100 - 25 \\ = 75 \\ \bold \purple{gain\%} = \frac{15}{75} \times 100 \\ = \frac{100}{5} \\ =\bold \purple{20\%..} \bold \blue{is \: the \: answer..}$