Question

an article of c. p. rs 25 is sold for rs 28 what is the profit percent​

Answer 1

$\sf Cost\:of\:the\:article\:=\:₹\:25 \\ \\ \sf \: Selling\:price\:=\:₹\:28 \\ \\ \sf \: Profit\:=\:₹\:3$

$\color{red} \sf \boxed{Profit\:\%=\: \frac{Profit\: \times \: 100}{CP }}$

$\sf Profit\:\%=\: \frac{3\: \times \: 1 \cancel{00 }\: ^ 4}{ \cancel{25 }}$

$\sf Profit\:\%=\: 12 \: \% \: .$