Question : Two blends of a commodity costing Rs. 35 and Rs. 40 per kg, respectively, are mixed in a ratio of 2 : 3 by weight. If one-fifth of the mixture is sold at Rs. 46 per kg and the remaining at Rs. 55 per kg, the profit percentage is:

Question : In what ratio should sugar costing Rs. 40 per kg be mixed with sugar costing Rs. 48 per kg to earn a profit of 20% by selling the mixture at Rs. 54 per kg?

Question : Two types of tea, costing Rs.180 per kg and Rs. 280 per kg, should be mixed in a ratio so that the mixture obtained, sold at Rs. 320 per kg to earn a profit of 20%, is:

Question : How many kilograms of rice costing Rs. 60 per kg must be mixed with 24 kg of rice costing Rs. 42 per kg so that there may be a gain of 12% by selling the mixture at Rs. 56 per kg?

Question : Sourav purchased 30 kg of rice at the rate of Rs. 10 per kg and 35 kg at the rate of Rs. 11 per kg. He mixed the two. At what price per kg (in Rs.) should he sell the mixture to make a 30% profit in the transaction?