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Quantitative Aptitude Practice Test: Alligation or Mixture
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Here are some tips for solving quantitative aptitude mixture and alligation questions: Alligation is method of solving arithmetic problems related to mixtures of ingredients. There are two types of alligation: Alligation medial: Used to find the quantity of a mixture given the quantities of its ingredients Alligation alternate: Used to find the amount of each ingredient needed to make a mixture of a given quantity If both the antecedent and the consequent are multiplied or divided by the same number (except 0) then the ratio will remain the same. The rule of allegation formula is:... Show more
Quantitative Aptitude Practice Test: Alligation or Mixture
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25 Questions

1. A mixture containing 95% wine is mixed with another mixture containing 75% wine in the ratio x : y. If the quantity of wine in the final mixture is 87%, find the value of x : y.
2. A mixture containing 27% of milk is mixed with another mixture containing 68% milk in the ratio 1 : 13. Find the percentage of milk in the mixture formed.
3. A mixture containing 25% of ethanol is mixed with another mixture containing x% of ethanol in the ratio 7 : 8. If the percentage of ethanol in the final mixture is 17%, find the value of x.
4. A liquid containing 75% of oil is mixed in another liquid containing 25% of oil in the ratio x : y. If the percentage of oil in the final liquid is 37.5%, find the ratio x : y.
5. A mixture containing 13% of ethanol is mixed with another mixture containing 31% ethanol in the ratio 13 : 31. Find the percentage of ethanol in the mixture formed.
6. A solution containing 55% of milk is mixed with another mixture containing x% of milk in equal proportions. The mixture so formed contains 75% of milk. Find the value of x.
7. 5 liters of water is mixed in x liters of milk. If the water is 20% of the mixture, find the value of x.
8. A mixture containing 66% of acid is mixed with another mixture containing 35% of acid in the ratio 2 : 5. Find the percentage of acid in the mixture formed.
9. A mixture containing 50% of water is mixed with another mixture x% of water in the ratio 4 : 5. If the percentage of water in the new mixture is 40%, find the value of x.
10. A liquid containing 50% milk is mixed with another liquid containing 40% milk in the ratio x : y. If the percentage of milk in the final mixture is 45%, find the ratio x : y.
11. A mixture containing 41% of acid is mixed with another mixture containing 80% acid in the ratio 9 : 8. Find the percentage of acid in the mixture formed.
12. A mixture containing 70% ethanol is mixed with another mixture containing 60% ethanol in the ratio x : y. If the quantity of wine in the final mixture is 62.5%, find the value of x : y.
13. A mixture containing 63% of oil is mixed with another mixture containing 89% oil in the ratio 1 : 11. Find the percentage of oil in the mixture formed.
14. A mixture containing 97% of milk is mixed with another mixture containing 19% milk in the ratio 21 : 11. Find the percentage of milk in the mixture formed.
15. A liquid containing 60% of an acid is mixed with another liquid containing 40% of the acid in a ratio x : y. If the percentage of acid in the final mixture is 47.5%, find the ratio x : y.
16. A mixture containing 57% of oil is mixed with another mixture containing 28% oil in the ratio 4 : 1. Find the percentage of oil in the mixture formed.
17. A mixture containing 50% wine is mixed with another mixture containing 60% wine in the ratio x : y. If the quantity of wine in the final mixture is 51.25%, find the value of x : y.
18. A mixture containing 15% of acid is mixed with another mixture containing 85% of acid in the ratio x : y. If the quantity of acid in the final mixture is 29%, find the ratio x : y.
19. A mixture containing 70% of water is mixed in another mixture containing x% of water in the ratio 1 : 10. If the percentage of water in the mixture so formed is 20%, find the value of x.
20. A mixture containing 40% of ethanol is mixed with another mixture containing 60% ethanol in the ratio 1 : 1.4. Find the percentage of ethanol in the mixture formed.
21. A mixture containing 60% of milk is mixed with another mixture containing 75% of milk in a ratio x : y. If the quantity of milk in the final mixture is 69%, find the ratio x : y.
22. A mixture containing 55% of milk is mixed with another mixture containing 99% milk in the ratio 8 : 1. Find the percentage of milk in the mixture formed.
23. A mixture containing 65% of ethanol is mixed with another mixture containing x% of ethanol in the ratio 8 : 13. If the percentage of ethanol in the final mixture is 50%, find the value of x.
24. A mixture containing 75% of oil is mixed with another mixture containing 88% oil in the ratio 1 : 4. Find the percentage of oil in the mixture formed.
25. A mixture containing 20% of acid is mixed with another mixture containing 80% of acid in the ratio x : y. If the quantity of acid in the final mixture is 32%, find the ratio x : y.

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