By selling 24 pencils for a rupee a man loses 20%. How many for a rupee should he sell in order to gain 20%? Pick:
A) 16
B) 7
C) 6
D) 4
E) 9
80% --- 24   120% --- ?     80/120 * 24= 
<gadget id="calculator">  80/120 * 24</gadget>
<output>16</output>
16   16nswer:16
<result>A</result>
By selling 24 pencils for a rupee a man loses 20%. How many for a rupee should he sell in order to gain 20%?