
Two vessels A and B contains acid and water in the ratio 4 : 3 and 5 : 3 respectively. Then the ratio in which these mixtures to be mixed to obtain a new mixture in vessel C containing acid and water in the ratio 3 : 2 is –
A. 5 : 8 B. 7 : 8 C. 7 : 5 D. 4 : 7 Answer: Option BShow Answer
Solution(By Apex Team)
$\begin{array}{l}\text{According to the question,}\\
\begin{array}{ccc}&\text{ Acid }&&\text{ Water }\\
\text{ Vessel A }&4&:&3\\
\text{ Vessel B }&5&:&3\end{array}\end{array}$
By alligation method –
So, Required ratio = 7 : 8

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