Match the following lists:
P
\begin{tabular}{|l|c|}
\hline \multicolumn{1}{|c|}{ List I } & List II \\
\hline \( \begin{array}{l}\text { a. } \text { If lines } 3 x+y-4=0, x-2 y-6=0 \text {, and } \lambda x+ \\
4 y+\lambda^{2}=0 \text { are concurrent, then the value of } \lambda \text { is }\end{array} \) & p. -4 \\
\hline \( \begin{array}{l}\text { b. } \text { If the points }(\lambda+1,1),(2 \lambda+1,3), \text { and }(2 \lambda+2, \\
2 \lambda) \text { are collinear, then the value of } \lambda \text { is }\end{array} \) & q. \( -1 / 2 \) \\
\hline \( \begin{array}{l}\text { c. } \text { If the line } x+y-1-|\lambda / 2|=0 \text {, passing through } \\
\text { the intersection of } x-y+1=0 \text { and } 3 x+y-5 \\
=0 \text {, is perpendicular to one of them, then the } \\
\text { value of } \lambda \text { is }\end{array} \) & r. 4 \\
\hline \( \begin{array}{l}\text { d. } \text { If the line } y-x-1+\lambda=0 \text { is equidistant from } \\
\text { the points }(1,-2) \text { and }(3,4) \text {, then } \lambda \text { is }\end{array} \) & s. 2 \\
\hline
\end{tabular}
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