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 AShow Answer
Solution(By Apex Team)
By the rule of alligation :
$\begin{array}{l}\text{Ratio of water to milk}\\
\text{= 4 : 8}\\
\text{= 1 : 2}\end{array}$
$\begin{array}{l}\text{Ratio of water to milk}\\
\text{= 4 : 8}\\
\text{= 1 : 2}\end{array}$
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