Alligation or Mixture problems

Alligation or Mixture problems
In a triangle XYZ , which of the following conditions is true

XY YZ < XZ

XY + YZ < ZX

XY YZ > ZX

XY + ZX < YZ

XY YZ < XZ

XY + YZ < ZX

XY YZ > ZX

XY + ZX < YZ

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Alligation or Mixture problems
A grocer buys two kind of rice at Rs. 1·80 and Rs. 1·20 per kg respectively. In what proportion should these be mixed, so that by selling the mixture at Rs. 1·75 per kg, 25 % may be gained?

2 : 1

3 : 4

3 : 2

1 : 2

2 : 1

3 : 4

3 : 2

1 : 2

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Alligation or Mixture problems
A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:

4%

25%

20%

6¼%

4%

25%

20%

6¼%

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Alligation or Mixture problems
A sum of Rs. 41 was divided among 50 boys and girls. Each boy gets 90 paise and a girl 65 paise. The number of boys is ?

34

14

36

16

34

14

36

16

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Alligation or Mixture problems
In what ratio of water be mixed with milk to gain 16 2/ 3 % on selling the mixture at cost price?

1 : 6

2 : 3

4 : 3

6 : 1

1 : 6

2 : 3

4 : 3

6 : 1

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Alligation or Mixture problems
4 vessels of equal sizes contains mixture of spirit and water. The concentration of spirit in 4 vessels are 60 %, 70 %, 75 % and 80 % respectively. If all the 4 mixtures are mixed, find in the resultant mixture the ratio of spirit to water ?

57 : 23

None of these

23 : 57

57 : 13

57 : 23

None of these

23 : 57

57 : 13

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