Question
What is the purpose of a transistor in a
circuit?Solution
To amplify or switch electronic signals
A tank initially contains a water-alcohol mixture in a 7:3 ratio. After removing 20 liters of the mixture and replacing it with pure alcohol, the ratio ...
In a 360 litres solution of milk and water, the quantity of milk is 50% more than water. When (n - 15) litres of water a...
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...
Two mixtures A and B are in the ratio of 3:2. Mixture A contains ×% of milk and a% of water. Mixture B contains y% of milk and b% of water. If mixture ...
Quantity of water in a 300 litres mixture (alcohol + water) is 40 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
A shopkeeper blends 5 kg of coffee at Rs. 12 per kg with 7 kg at Rs. 8 per kg. What is the cost price (in Rs.) of the mixture per kg?
Two vessels A and B contain mixture of milk and water. Ratio of milk and water in vessel A and B are in the ratio 1:2 and 3:2 respectively. In what rati...
A mixture contains salt and water in the ratio of 2:5 respectively. If the ratio of the cost of salt and that of the mixture of s...
A 30-litre mixture consists of milk and water in the ratio of 5:7. To this mixture, 2.5 litres of milk and 4.5 litres of water are added. How much more ...
- Two mixtures, A and B, have milk-to-sugar ratios of 5:3 and 6:7, respectively. When these two mixtures are combined, the total quantity of the final mixtur...
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