Mixtures & Alligation · Question 7 · Medium
Mixtures & Alligation question 7
A milkman buys milk at ₹36 per litre. How much water should he add to 20 litres of milk so that selling the mixture at ₹30 per litre gives neither profit nor loss?
- 3 litres
- 5 litres
- 4 litres
- 6 litres
Answer and explanation
Answer: C. 4 litres
Explanation: Cost of 20 L milk = ₹720. At ₹30 per litre, ₹720 corresponds to 24 litres, so he adds 4 litres of water.
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