- A14
- B7
- C9
- D12
Step-by-Step Solution
Milk = 35 L, water = 21 L. For 5 : 4, water must be L, so add 7 L.
Answer: B) 7
56 litres of a milk-water mixture are in the ratio 5 : 3. How much water must be added to bring the ratio to 5 : 4?
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