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

XY + ZX < YZ
XY + YZ < ZX
XY YZ < XZ
XY YZ > ZX

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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?

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

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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?

17 and 27
None of these
13 and 27
14 and 16

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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 the second variety of oil at Rs.60 per liter so as to get a maximum whose cost is Rs.52 per liter?

170 liters
160 liters
140 liters
150 liters

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