Question
A 250 litres mixture contains milk and water in the
ratio 4:1 respectively. If 40% of the mixture is replaced with the same quantity of water, then find the quantity of water in the new mixture.Solution
Quantity of water in the mixture initially = 250 × (1/5) = 50 litres Quantity of water removed = 50 × 0.4 = 20 litres Quantity of water added = 250 × 0.4 = 100 litres Quantity of water in the new mixture = 50 – 20 + 100 = 130 litres
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