Milkman ratio of water to milk
CMAT 2021 · Quantitative Techniques & Data Interpretation · Easy · Mixtures and Alligations
A milkman adds 10 litres of water to 90 litres of milk. After selling of the total quantity, he adds water equal to the quantity he sold. The proportion of water to milk he sells now would be:
- A.
72 : 28
- B.
28 : 72
- C.
20 : 80
- D.
30 : 70
Answer
B
Explanation
Initially:
- Milk = 90 L, Water = 10 L. Total = 100 L.
He sells of 100 L = 20 L mixture.
- Milk sold = L
- Water sold = L
Remaining mixture:
- Milk = L
- Water = L
He adds 20 L of water:
- New Water quantity = L
- Milk quantity = 72 L
Proportion of water to milk now = 28 : 72.
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