A vendor bought bananas at 6 for $10 and sold them at 4 for $6. Find his gain or loss percent?
Choose the correct choice from the following options
A) 5%	B) 10%	C) 15%	D) 20%	E) 25%
Number of bananas bought = L.C.M of 6 and 4 = 12   C.P. = 10/6 * 12= 
<gadget id="calculator">10/6 * 12</gadget>
<output>20</output>
$20   S.P.= 6/4 * 12= 
<gadget id="calculator">6/4 * 12</gadget>
<output>18</output>
$18   Loss%= 2/20 * 100= 
<gadget id="calculator">2/20 * 100</gadget>
<output>10</output>
10%   Answer is 10%
<result>B</result>
A vendor bought bananas at 6 for $10 and sold them at 4 for $6. Find his gain or loss percent?