Alligation or Mixture problems

Alligation or Mixture problems
In what ratio must water be added to spirit to gain 25% by selling it at cost price?

4 : 3

3 : 4

4 : 1

1 : 4

4 : 3

3 : 4

4 : 1

1 : 4

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Alligation or Mixture problems
Two bottles contains mixture of milk and water. First bottle contains 64% milk and second bottle contains 26% water. In what ratio these two mixtures are mixed so that new mixture contains 68% milk?

3 : 2

1 : 2

2 : 3

2 : 1

3 : 2

1 : 2

2 : 3

2 : 1

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Alligation or Mixture problems
A mixture is composed of 11 parts of pure milk and 2 parts of water. If 35 litres of water were added to the mixture then the new mixture will contain twice as much pure milk as water, then how many litres of pure milk does the original mixture contain?

110

70

55

220

110

70

55

220

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Alligation or Mixture problems
From a cask of wine, containing 64 liters, 8 liters are drawn out and the cask is filled up with water. If the same process is repeated a second, then a third time, what will be the number of liters of wine left in the cask?

42 1 kg 8

42 7 kg 8

48 7 kg 8

42 3 kg 8

42 1 kg 8

42 7 kg 8

48 7 kg 8

42 3 kg 8

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Alligation or Mixture problems
From a vessel filled with alcohol 1/5 of its contents is removed and the vessel is then filled up with water. If this be done 5 times in succession, what proportion of the alcohol originally contained in the vessel will have been removed from it?

None of these

1024 3125

2101 3125

1024 2101

None of these

1024 3125

2101 3125

1024 2101

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Alligation or Mixture problems
The average weight of boys in a class is 30 kg and the average weight of girls in the same class is 20kg. If the average weight of the whole class is 23.25 kg, what could be the possible strength of boys and girls respectively in the same class?

None of these

14 and 16

13 and 27

17 and 27

None of these

14 and 16

13 and 27

17 and 27

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