Who was known as the Father of Microbiology?
Bacteria was discovered by Antony von Leeuwenhoek of Holland in the year 1683. Antoni Van Leeuwenhoek (1623 – 1723), a cloth trader from Delft, is the founding father of microbiology. He used home - made microscopes to discover the invisible world of micro – organisms.
Vessel contains 40 liters wine. If x liters of wine is taken out and replaced with water, this process is repeated two more times and then quantity of ...
In a mixture of milk & water, 20 litres water is mixed due to which ratio changes from 5 : 4 to 1 : 4. Find initial quantity of mixture. (in litres)
In a mixture of milk & water, 30 litres water is mixed due to which ratio changes from 3 : 4 to 1 : 2. Find initial quantity of mixture. (in litres)
When a mixture of (Honey + water) contains Honey and water in the ratio 5:3, respectively. Twenty-five percent of the mixture is removed and replaced wi...
The ratio of alcohol and water in a container is 3:7. If 4 litre of alcohol added in it, the ratio of alcohol to water becomes 5:7. Find the initial qu...
In a mixture of milk & water, 45 litres water is mixed due to which ratio changes from 3 : 4 to 1 : 3. Find initial quantity of mixture. (in litres)
A mixture measuring 720 ml consists of milk and water in an 8:7 ratio. How much water should be added to ensure that the water content is 12.5% greater...
Quantity of water in a 420 litres mixture (alcohol + water) is 30 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
Quantity of water in a 250 litres mixture (alcohol + water) is 30 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
Bucket A holds 600 liters of a mixture with milk and water in a 3:5 ratio. Calculate the percentage, 'x', of the mixture removed if the extracted portio...
