Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1:1: 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:
. A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gaids 14% on the whole. The quantity sold at 18% profit is: