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Azospirillum is micro aerophillic ( it needs less oxygen concentration than aerobic microbes to survive) is used for nitogen fixation in wheat crop.
A vessel is completely filled with milk. If 43% of the milk is replaced with water then only 171 ml of milk will be left in the vessel. What is the tota...
Quantity of water in a 360 litres mixture (alcohol + water) is 20 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
In a mixture of milk and water, the amount of milk is 37 ml greater than the amount of water. After 75% of the mixture is removed and 10.75 ml of milk i...
Initially, 40% of mixture ‘P’, consisting of petrol and diesel, is transferred into mixture ‘Q’, which has a petrol to diesel ratio of 5:4. Afte...
If 4 kg of metal of which 1/3rd is zinc and the rest is copper, be mixed with 5kg of metal, of which 1/6 is zinc and the rest is copper, then...
A merchant has 20 liters of alcohol. To achieve a 75% profit by selling the mixture at the original cost price of the alcohol, how much water should he ...
A mixture contains 416 ml of milk and water in a ratio of 8:5. If the mixture is augmented by adding 144 ml of milk and 160 ml of water, what will be th...
A mixture initially has 40 liters of petrol and an unknown quantity of diesel. When 25% of the mixture is extracted into container P and 10 liters of pe...
600 ml of a mixture contains milk and water in the ratio of 14 respectively. If 90 ml of water and 100 ml of milk are added into it, then the ratio of m...
