question_answer

A vessel is filled with liquid. 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water arid half syrup?

A)  \[\frac{1}{3}\]                  

B)  \[\frac{1}{4}\]

C)  \[\frac{1}{5}\]                  

D)  \[\frac{1}{7}\]

Correct Answer: C

Solution :

  Ratio \[=4:1\] \[\therefore \]  Required quantity \[=\frac{1}{5}\]