66. A merchant has 1000 kg of sugar, part
of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the
whole. The quantity sold at 18% pforit is
A.640 kg B.600 kg
C.560 kg D.400 kg
Answer: 600 kg
Explanation: ratio of first and second part = 4 :
6 = 2 : 3
Quantity of 2 kind =
(1000*3/5) = 600 Kg