At room temperature $25^{\large\circ}C$,the vapour pressure of pure methyl alcohol is 92 torr.Mol fraction of $CH_3OH$ in a solution in which vapour pressure of $CH_3OH$ is 24 torr at $25^{\large\circ}$ is ?

Question

$\begin{array}{1 1}(a)\;0.40\\(b)\;0.50\\(c)\;0.26\\(d)\;0.80\end{array}$