A jar full of whiskey contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is Choose the correct option.
A) 1/3 B) 2/3 C) 2/5 D) 1/4 E) 1/2
1 st jar (alchohol) = 40%   2nd jar = 19%   after mix = 26%   mean = 7:14=1:2=&gt;2/1+2=2/3   ANSWER 2/3
<result>B</result>
A jar full of whiskey contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is