Da a merchant buys 30 kg of rice at r40/kg and another 20 kg of rice at r30/kg. he mixes them and sells half of the mixture at36/kg. at what price should he sel

30kg rice-₹40 per kg 30×40=1200₹ 20kg rice-₹30perkg 30×20=600₹ 1200+600=1800 30%profit on total-1800×130/100=2340 30+20=50kg mixture hal...