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\begin{document}

\section*{Introduction}

This document is intended to check how fractions are handled.

\begin{quiz}{Example Quiz}

\begin{multi}[multiple,feedback={abc\\def 
$\sqrt{2}$}]{Multiple Choice}
Select the following numbers that are prime.
\item[fraction=83.3] $\sqrt{25}$
\item[fraction=-66.6] \textbf{68}
\item[fraction=16.7,feedback={$\sqrt{25}$}] 7
\item[fraction=33.3] 8
\item[fraction=-0.05] \texttt{nothing}
\end{multi}

\end{quiz}
\end{document}