###
**In what ratio must water be mixed with milk costing Rs. 12 per litre to obtain a mixture worth of Rs. 8 per litre?**

A. 1 : 2
B. 2 : 1
C. 2 : 3
D. 3 : 2
**Answer: Option A**

## Show Answer

Solution(By Apex Team)

By the rule of alligation :
$\begin{array}{l}\text{Ratio of water to milk}\\
\text{= 4 : 8}\\
\text{= 1 : 2}\end{array}$

## Related Questions On Alligation

### The ratio, in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg so that the mixed tea when sold for Rs. 194.40 per kg, gives a profit of 20%.

A. 2 : 5B. 3 : 5

C. 5 : 3

D. 5 : 2

### An alloy contains zinc, copper and tin in the ratio 2 : 3 : 1 and another contains copper, tin and lead in the ratio 5 : 4 : 3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in new alloy will be:

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C. $\large\frac{3}{14} \mathrm{~kg}$

D. $\large\frac{7}{9} \mathrm{~kg}$

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