By selling 12 pencils for a rupee a man loses 12%. How many for a rupee should he sell in order to gain 18%?
Choose one
A) 12
B) 9
C) 10
D) 89
E) 81
88% --- 12   112% --- ?   88/112 * 12 = 9   12nswer: 12
<result>A</result>
By selling 12 pencils for a rupee a man loses 12%. How many for a rupee should he sell in order to gain 18%?