\documentclass[12pt]{article}
\usepackage[utf8]{inputenc}
\usepackage[upright]{fourier}
\usepackage[T1]{fontenc}
%\usepackage{lmodern}
\usepackage{alterqcm}
\usepackage[%
      a4paper,%
      textwidth=16cm,%
      top=2cm,%
      bottom=2cm,%
      headheight=25pt,%
      headsep=12pt,%
      footskip=25pt]{geometry}%
\usepackage[frenchb]{babel}
\parindent0pt
\begin{document}

\begin{alterqcm}
 \AQquestion[br=2]{La racine carrée de 16 est}{%
 {8},
 {4},
 {-4}
 }

\AQquestion[br=3]{$\sqrt{(-5)^2}$}{%
 {n'existe pas},
 {est égal à -5},
 {est égal à 5}
 }

\AQquestion[br=3]{$\left(3\sqrt{5}\right)^2$ est égal à}{
{15},
{$6\sqrt{10}$},
{45}
}

\AQquestion[br=2]{$\sqrt{20}$ est le double de }{
{$\sqrt{10}$},
{$\sqrt{5}$},
{$\frac{\sqrt{20}}{\sqrt{2}}$}
}

\AQquestion[br=3]{$\sqrt{6^2+8^2}$}{
{14},
{$\sqrt{28}$},
{10}
}
\end{alterqcm}
\newpage
\begin{alterqcm}[correction=true]
 \AQquestion[br=2]{La racine carrée de 16 est}{%
 {8},
 {4},
 {-4}
 }

\AQquestion[br=3]{$\sqrt{(-5)^2}$}{%
 {n'existe pas},
 {est égal à -5},
 {est égal à 5}
 }

\AQquestion[br=3]{$\left(3\sqrt{5}\right)^2$ est égal à}{
{15},
{$6\sqrt{10}$},
{45}
}

\AQquestion[br=2]{$\sqrt{20}$ est le double de }{
{$\sqrt{10}$},
{$\sqrt{5}$},
{$\frac{\sqrt{20}}{\sqrt{2}}$}
}

\AQquestion[br=3]{$\sqrt{6^2+8^2}$}{
{14},
{$\sqrt{28}$},
{10}
}
\end{alterqcm}
\end{document}
