By selling 15 pens for a rupee a woman loses 25%. How many for a rupee should he sell in order to gain 25%?
Choose the correct choice from the following:	A) 12	B) 14	C) 45	D) 10	E) 65
10   85% --- 15   125% --- ?   85/125 * 15 = 10
<result>D</result>
By selling 15 pens for a rupee a woman loses 25%. How many for a rupee should he sell in order to gain 25%?