By selling 95 pens, a trader gains the cost of 19 pens. Find his gain percentage?	Select:
A) 20%
B) 21%
C) 22%
D) 23%
E) 24%
Let the CP of each pen be Rs. 1.   CP of 95 pens = Rs. 95   Profit = Cost of 19 pens = Rs. 19   Profit% = 19/95 * 100= 
<gadget id="calculator">19/95 * 100</gadget>
<output>20</output>
20%   20%nswer:20%
<result>A</result>
By selling 95 pens, a trader gains the cost of 19 pens. Find his gain percentage?