A trader has 1600 kg of sugar. He sells a part at 8% profit and the rest at 12% profit. If he gains 11% on the whole , find the quantity sold at 12%?
Choose the correct choice from the following answers:
A) 1000
B) 1200
C) 1400
D) 1450
E) 1500
1200y rule of alligation,   % Profit by selling part1	% Profit by selling part2   8	12   Net % Profit   11   12 - 11= 
<gadget id="calculator">12 - 11</gadget>
<output>1</output>
1	11 - 8= 3   =&gt; Quantity of part1 : Quantity of part2 = 1 : 3   Given that total quantity = 1600 kg   Hence, quantity of part2 (quantity sold at 12% profit)   =   1600   ×   3   4   =1200   1200)
<result>B</result>
A trader has 1600 kg of sugar. He sells a part at 8% profit and the rest at 12% profit. If he gains 11% on the whole , find the quantity sold at 12%?