A 0.3%(w/v) solution of urea (mol.wt.60) would be isotonic with

Question

$\begin{array}{1 1}(a)\;0.05M\;glucose\\(b)\;0.1M\;KCl\\(c)\;0.1M\;NaCl\\(d)\;0.3\%\;glucose\; solution\end{array}$