1. 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:
A. 640 kg
B. 600 kg
C. 400 kg
D. 560 kg
1. 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:
A. 640 kg
B. 600 kg
C. 400 kg
D. 560 kg