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Mixture=108L. Milk:Water=5:4. x L water removed. New ratio=10:3. Find x.

1. 30
2. 20
3. 15
4. 25

Correct answer: 30

Solution

108L at 5:4 → milk=60L, water=48L. Remove x L water: new ratio=60:(48-x)=10:3 → 3×60=10×(48-x) → 180=480-10x → x=30.

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