Alligation or Mixture problems

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

XY + ZX < YZ

XY + YZ < ZX

XY YZ > ZX

XY YZ < XZ

XY + ZX < YZ

XY + YZ < ZX

XY YZ > ZX

XY YZ < XZ

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Alligation or Mixture problems
Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:

169.50

175.50

170

180

169.50

175.50

170

180

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Alligation or Mixture problems
In what ratio must a grocer mix sugar at 72 paise per kg with sugar at 48 paise per kg. So that by selling the mixture at 63 paise per kg he may gain 1 of his out-lay? 6

3 : 1

1 : 3

2 : 3

3 : 2

3 : 1

1 : 3

2 : 3

3 : 2

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Alligation or Mixture problems
In a mixture of 35 litres, the ratio of milk and water is 4:1. If 7 litres of water is added to the mixture, the ratio of milk and water of the new mixture will be

5:4

1:2

4:5

2:1

5:4

1:2

4:5

2:1

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Alligation or Mixture problems
How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a maximum whose cost is Rs.52 per liter?

120

160

180

110

120

160

180

110

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Alligation or Mixture problems
If a dairy mixes cow's milk which contains 10% fat with buffalo's milk which contains 20% fat, then the resulting mixture has fat (120/7)% of fat. What ratio was the cow's milk mixed with buffalo's milk?

2 : 1

2 : 3

2 : 5

1 : 5

2 : 1

2 : 3

2 : 5

1 : 5

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