\documentclass{article} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} \usepackage[a4paper, margin=2.5cm, noheadfoot]{geometry} \usepackage{amsmath} \usepackage[seed=1]{randomlist} \pagestyle{empty} \setlength{\parindent}{0pt} \NewList{Pupils} \NewList{Triples} \begin{document} \ReadFileList{Pupils}{pupils.dat} \ExtractFirstItem{Pupils}{NULL} % extract title line \ReadFileList{Triples}{pythagoras.dat} \ForEachFirstItem{Pupils}{Pupil} {% \ReadFieldItem{\Pupil}{0}{Name} \ReadFieldItem{\Pupil}{1}{FName} \ReadFieldItem{\Pupil}{2}{Note} \ExtractRandomItem{Triples}{Triple} \ReadFieldItem{\Triple}{0}{Triplea} \ReadFieldItem{\Triple}{1}{Tripleb} \ReadFieldItem{\Triple}{2}{Triplec} \begin{center} \fbox{\huge\bfseries Test for \Name{} \FName} \end{center} \textbf{Exercise} \par \if A\Note The diagonal of a rectangle is \Triplec~in and a side of this rectangle is \Triplea~in. What is the length of the other side of the rectangle? \else Find the length of the diagonal of a rectangle that is \Triplea~in by \Tripleb~in. \fi \newpage \begin{center} \fbox{\huge\bfseries Answer to the test for \Name{} \FName} \end{center} \textbf{Exercise} \par \if A\Note Use Pythagorean theorem. We have: $\text{diag}^2=\text{side1}^2+\text{side2}^2.$ Here: $\Triplec^2=\Triplea^2+\text{side2}^2$ and then $\text{side2}=\sqrt{\Triplec^2-\Triplea^2} = \Tripleb.$ \else Use Pythagorean theorem. We have: $\text{diag}^2=\text{side1}^2+\text{side2}^2.$ Here: $\text{diag}^2=\Triplea^2+\Tripleb^2$ and then $\text{diag}=\sqrt{\Triplea^2+\Tripleb^2} = \Triplec.$ \fi \newpage } \end{document}