\documentclass[a4paper,10 pt]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[upright]{fourier}
\usepackage{alterqcm}
\usepackage[np]{numprint}
\usepackage[francais]{babel}

\begin{document}
\AQpoints[0.5 cm]{10} 
  
\begin{alterqcm}[symb = \dingsquare, lq=6cm]
\AQquestion{Si \np{3,24} is truncating $x$ to the hundredth, so we're sure that:}
{{\begin{minipage}[t]{\linewidth-1cm}$3,235\leqslant x <3,245$\\
  \end{minipage}} ,
 {\begin{minipage}[t]{\linewidth-1cm} $3,24\leqslant x <3,25$\\
  \end{minipage}} ,
 {\begin{minipage}[t]{\linewidth-1cm}
     $x$ is nearer to 3.24 than it is to... \np{3,25}
  \end{minipage}}}
\end{alterqcm}

\end{document}