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

4 : 1
1 : 4
4 : 3
3 : 4

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Alligation or Mixture problems
A sum of Rs.118 was divided among 50 boys and girls such that each boy received Rs.2.60 and each girl Rs.1.80. Find the number of boys and girls?

20 boys and 30 girls
30 boys and 20 girls
35 boys and 15 girls
15 boys and 35 girls

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Alligation or Mixture problems
A container of 90 liters with two liquids A and B, 60% of liquid A and 30% of liquid B are taken out of the vessel. This leaves the container 40% empty. Find the initial quantity of both liquids.

60 litres
57 litres
50 litres
54 litres

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