- A12
- B10
- C15
- D6
Step-by-Step Solution
Milk = 42 L, water = 18 L. For 7 : 5 with 42 L milk, water must be 30 L, so add 30 − 18 = 12 litres.
Answer: A) 12
A 60-litre can holds milk and water in the ratio 7 : 3. How many litres of water should be added so that the ratio becomes 7 : 5?
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