For a certain article, if discount is 25%, the profit is 25%. If the discount is 10%, then the profit is  Choose the correct choice from the following options
A) 10%
B) 20%
C) 35%
D) 50%
E) None of these
For same article, 100−d1/100−d2=100+g1/100+g2   ⇒ 100−25/100−10=100+25/100+g2 ⇒75/90=125/100+g2   ⇒ 100 + g2 = 90×125/75 =150 ⇒ g2 = 50%   Answer 50%
<result>D</result>
For a certain article, if discount is 25%, the profit is 25%. If the discount is 10%, then the profit is