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

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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

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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

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