For a certain article, if discount is 25% the profit is 25%. If the discount is 10%, then the profit is

If the marked price be Rs. x and cost price be

Rs. 100, then, $frac{x imes 75}{100}=125$

$Rightarrow x=frac{125 imes 100}{75}= ext { Rs. } frac{500}{3}$

S.P. after a discount of $10 \%$

$=frac{500}{3} imes frac{90}{100}= ext { Rs. } 150$