A jar full of whisky contains 40% of 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
1
\(\frac{2}{3}\)
2
\(\frac{2}{5}\)
3
\(\frac{3}{5}\)
4
\(\frac{1}{3}\)