The conductivity of $0.20\;M$ solution of KCl at $298\;K$ is $0.0248 \;Scm^{-1}$ Calculate its molar conductivity

Question

$\begin{array}{1 1} (a)\;114 \;S\;cm^{2} mol^{-1} \\ (b)\;122 \;S\;cm^{2} mol^{-1} \\ (c)\;134 \;S\;cm^{2} mol^{-1} \\(d)\;124 \;S\;cm^{2} mol^{-1}\end{array}$