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% profit is?
Choose the most appropriate option.
A) 700 kg  B) 500 kg  C) 600 kg  D) 800 kg  E) 900 kg
By the rule of alligation:   Profit of first part Profit of second part   So, ratio of 1st and 2nd parts = 4 : 6 = 2 : 3.   Quantity of 2nd kind = (3/5 x 1000)kg = 600 kg   Answer: 600 kg
<result>C</result>
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% profit is?