In a triangle XYZ , which of the following conditions is true

• A. XY YZ > ZX
• B. XY + YZ < ZX
• C. XY YZ < XZ
• D. XY + ZX < YZ

Answer: (D)

Ratio of milk and water = 2 : 1 Quantity of milk = 60 X 2/3 = 40 litre Quantity of water = 20 litre To make ratio, 1: 2, we have to double the water that of milk So, water should be 80 litre. That means 80 ? 20 = 60 litre water to be added.