Question
Which of the following is used to store electrical
energy in a circuit?Solution
Capacitor
A mixture containing milk and water in the ratio of 49:61. If 36 litres of water are taken out from the mixture, then the quantity of milk and water bec...
A merchant mixes 9 kg of beans at Rs. 7 per kg with 6 kg at Rs. 5 per kg. What is the cost price (in Rs.) of the mixture per kg?
A shopkeeper blends 10 kg of tea at Rs. 8 per kg with 5 kg of tea at Rs. 4 per kg. What is the cost price (in Rs.) of the mixture per kg?
Two alloys A and B are made of copper and zinc only. In alloy A, copper and zinc are in the ratio 3 : 5. In alloy B, they are in the ratio 7 : 5. How ma...
Mixture 'P,' comprising both milk and water, is combined with another mixture 'Q' (consisting of milk and water) in a ratio of 3:2, respectively. The ...
In a solution, 35% of the water's quantity is chlorine. After extracting 81 liters of this solution and adding 15 liters of chlorine and 15 liters of wa...
A 20 L solution contains 30% sugar. How much water should be added to make the sugar 20% of the new solution?
A vessel is completely filled with milk. If 35% of the milk is replaced with water then only 184.6 ml of milk will be left in the vessel. What is the to...
- An alloy ‘M’ contains lead and iron in the ratio 4:3, and alloy ‘N’ contains iron and copper in the ratio 2:5. If 35 grams of ‘M’ and 42 grams ...
A container holds a mixture of petrol and diesel in the ratio 11:5. If 32 litres of the mixture is removed and replaced with 4 li...
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