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Thiobacillus: biological oxidation of elemental sulphur.
A mixture is prepared by combining three ingredients M, N, and O in the ratio of 5:4:3. Ingredient M contains 60% sugar, N contains 50% sugar, and O con...
155 litres of a mixture contains 42% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
How many kilograms of rice cost Rs. 60 per kg? must be mixed with 26 kg. of rice costing Rs. 42 per kg. so that there may be a gain of 12% by selling th...
A Vessel is full of milk, 5 litre of milk is taken out and replaced by water. This process is repeated once more, find the initial amount of milk in the...
A scored 50% marks and failed by 60 marks whereas B scored 80% marks, which was 90 more than the passing marks of the examination. Find the total marks ...
A jar contains a mixture of mango juice and water in the ratio of 5:2. 84 litres of the mixture was taken out and 34 litres of water was added to it. I...
A 88-litre mixture contains only water and oil in the ratio 6:5, respectively. If 22 litres of the mixture is replaced with the same quantity of oil, th...
Mixture 'A' consists of 'm' liters of milk, while mixture 'B' includes '11 + m' liters of milk. Determine the ratio in which mixture 'B' to mixture 'A' ...