A mixture contains milk and water in the ratio 5:1. If there are 30 litres of milk, how much water is there?
- A.4
- B.5
- C.6 ✓
- D.8
Explanation: 30 litres = 5 parts, so 1 part = 6 litres, which is the amount of water.
Class 6 IMO Mathematics Olympiad practice · Arithmetic · Ratio, Proportion & Percentages
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