By selling 16 pens for a rupee a woman loses 5%. How many for a rupee should he sell in order to gain 18%?	Options:
A) 12  B) 14  C) 45  D) 13  E) 65
13   95% --- 16   118% --- ?   95/118 * 16 = 13
<result>D</result>
By selling 16 pens for a rupee a woman loses 5%. How many for a rupee should he sell in order to gain 18%?