Mixture of volatile components A and B has total vapour pressure (in torr) P=$250-115X_A$ where $X_A$ is mol fraction of 'A' in mixture.Hence $P_A^0$ and $P_B^0$ respectively are (in torr)

Question

$\begin{array}{1 1}(a)\;250,120\\(b)\;135,250\\(c)\;250,115\\(d)\;115,250\end{array}$