Alligation or Mixtures MCQ Set 6

Showing question 26 to 30 of total 30 MCQs

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Question No: 26

Vessel ‘A’ contains 150 liters of mixture of milk and water in the ratio of 3:1. Vessel ‘B’ contains 200 liters of the mixture in the ratio of 5:2. If the mixture from both the vessels are poured into vessel ‘C’, find the ratio of the resulting mixture.

1. 15 : 7
2. 8 : 3
3. 15 : 2
4. 143 : 53

Question No: 27

A jar is filled of liquid which is 3 parts water and 5 parts alcohol. How much of this mixture should be drawn out and replaced such that this mixture may contain half water and half alcohol?

1. 25%
2. 20%
3. 14.29%
4. 33.33%

Question No: 28

Presently a mixture in a tub contains substances A and B in the ratio of 7:5. If 9 liters of this solution is drawn out and B is added to the mixture in certain quantity the resulting mixture becomes 7:9. How much liters of liquid A was kept in the tub initially?

1. 32
2. 20
3. 27
4. 21

Question No: 29

A container has 40L milk. 4L milk is taken out and replaced with water, the process done three times. What is the amount of milk now left?

1. 28L
2. 29L
3. 29.16L
4. 28.4L

Question No: 30

A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?

1. 1/3
2. 1/4
3. 1/5
4. 1/7

Answer: C

Explanation

Suppose the vessel initially contains 8 liters of liquid.

Let x liters of this liquid be replaced with water.

5x + 24 = 40 - 5x

10x = 16

x = 8/5