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The proportion of acid and water in three samples is 2 : 1, 3 : 2 and 5 : 3. A mixture containing equal quantities of all three samples is made. The ratio of water and acid in the mixture is –

A. 120 : 133 B. 227 : 133 C. 227 : 120 D. 133 : 227 Answer: Option D
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Solution(By Apex Team)

$\left.\begin{array}{llll} \text { Sample I } & 2_{\times 40}=80 \quad: & 1_{\times 40}=40 & 3_{\times 40} \\ \text { Sample II } & 3 \times 24=72: & 2 \times 24=48 & 5 \times 24 \\ \text { Sample III } & \underline{5 \times 15}=75 : & \underline{3}_{\times 15}=45 & 8 \times 15 \end{array}\right]120$
$\begin{array}{l} \text { Ratio of quantity } \begin{array}{|lll|} \hline 227 & : & 133 \\ \hline \end{array}\\ \text { Required ratio }=133: 227 \end{array}$

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