Question
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 what will be the ratio of zinc to copper in the mixture?
Solution
In 4 kg of metal Zinc Copper 4 ×1/3 4 ×2/3 4/3 8/3 In 5 kg of metal Zinc Copper 5 ×1/6 5 ×5/6 Now, new ratio = (4/3+ 5/6)/(8/3+ 25/6) = 13:41
More Mixture Questions
- A 40-litre solution contains 35% acid. How many litres of a 55% acid solution must be added so that the resulting mixture contains 45% acid?
- 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 wine...
- Quantity of water in a 420 litres mixture (Milk + Water) is 20 litres less than the quantity of milk in it. Find the quantity of water to be mixed so that ...
- In a mixture of milk and water, the ratio of milk to water is 5 : 3. How much water must be added to 32 litres of this mixture to make the ratio 5 : 4?
- 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 many ...
- 500 litres of mixture ‘A’ contains milk and water in it. If mixture ‘A’ is mixed with 700 litres of mixture ‘B’ which contains water and salt, then the rat...
- A solution contains 10% water. How much water should be added to 30 liters of the sugar and water solution to increase the water content to 25%?
- 60 grams of an alloy 'A' containing only gold, silver and copper in ratio 3:2:5 respectively is mixed with 20 grams of alloy 'B' which contains only silver...
- 26.75 litres of a mixture P (milk and water) is combined with another mixture Q. The resulting mixture has milk to water in the ratio 4:7. If mixture Q has...
- Sum of first 33 odd natural numbers is (19m + 63), whereas sum of first 28 even natural numbers is (17n + 98). 'p' is the number of factors of (mn - 1288)....
Relevant for Exams:
