Q85
The ratio of milk to water in a 100 litres mixture is 2 : 3. 10 litres of this mixture is withdrawn and replaced with milk. This process is repeated 2 more times. What is the percentage of milk in final mixture?
A.
58.21%
B.
51.24%
C.
54.27%
D.
56.26%
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
\begin{array}{*{20}{c}}
{{\text{Milk}}}&{}&{{\text{Water}}}&{} \\
\begin{gathered}
2 \hfill \\
\downarrow \hfill \\
\end{gathered} &\begin{gathered}
: \hfill \\
\hfill \\
\end{gathered} &\begin{gathered}
3 \hfill \\
\downarrow \hfill \\
\end{gathered} &\begin{gathered}
= 5 \to 100 \hfill \\
\,\,\,1 \to 20 \hfill \\
\end{gathered} \\
{40}&{}&{60}&{}
\end{array}