Mixtures & Alligation · Question 21 · Medium
In what ratio should water be mixed with milk costing ₹48 per litre so that the mixture is worth ₹40 per litre?
- 5 : 1
- 1 : 6
- 1 : 5
- 1 : 4
Answer and explanation
Answer: C. 1 : 5
Explanation: Water costs ₹0. By alligation, water : milk = (48 − 40) : (40 − 0) = 8 : 40 = 1 : 5.
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