- A15
- B10
- C25
- D20
Step-by-Step Solution
Milk = 30 L, water = 10 L. For 1:1, water must equal milk = 30 L, so add 30 − 10 = 20 L.
Answer: D) 20
A 40-litre mixture contains milk and water in the ratio 3:1. How many litres of water must be added to make the ratio 1:1? (answer in litres)
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