3 types of rice, A, B and C, are mixed together in the ratio 1 : 1 : 3 respectively. The price of rice A is ₹120 per kg and that of rice B is ₹130 per kg. If the price of the mixture is ₹150 per kg, then the price of rice C is:

A shopkeeper has 300 Kg millet, a part of which he sells at 10 % profit. The remaining quantity of millet was of poor quality, and he sold it at 5 % loss. In the whole transaction, he made a profit of 7 %. The quantity of the millet sold at 5 % loss is:

The quantity of water that must be added to 36 litres of milk at $2\frac{1}{2}$ litres for ₹ 120 so as to have mixture worth ₹ 36 for a litre is :

A container contains 100 liters of milk. From this container, 10 liters of milk is taken out and replaced by water. This process is repeated two more times.The amount of milk left in the container now is:

From a drum filled with 48 litres of soya milk, 12 litres of soya milk was taken out and replaced by an equal amount of cow milk. The process was further repeated twice. How much soya milk is left in the drum now?

400 g of apple vinegar has 40% apple juice in it. The amount of apple juice, which should be added to make it 60% in apple vinegar, is:

In what ratio must a grocer mix two varieties of cumin seeds worth ₹ 60 per kg and ₹ 65 per kg respectively, so that by selling the mixture at ₹ 68.20 per kg, he may gain 10%?