- A5
- B10
- C8
- D4
Step-by-Step Solution
Milk = 36 L stays fixed; as 80% of the new mixture it means total = 45 L, so water added = 45 − 40 = 5 L.
Answer: A) 5
A 40-litre mixture of milk and water contains 10% water. How much water must be added so that water becomes 20% of the new mixture (in litres)?
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