By selling 12 pencils for a rupee a man loses 20%. How many for a rupee should he sell in order to gain 20%? Choose the correct choice from the following answers:
A) 9 B) 7 C) 8 D) 12 E) 10
80% --- 12   120% --- ?     80/120 * 12= 
<gadget id="calculator">  80/120 * 12</gadget>
<output>8</output>
8   ANSWER 8
<result>C</result>
By selling 12 pencils for a rupee a man loses 20%. How many for a rupee should he sell in order to gain 20%?