Mrthfx

It has a file of multiple choice questions with 50 questions that wanted to generate evaluations with different questions, for each evaluation limit the number by 10 questions, generating 5 files with different questions.

 documentclass[a4paper]{article}



    usepackage[output=exam

               ,numberofversions=4

               ,version=1

               ,seed=1

               ,randomizequestions=true

               ,randomizeanswers=true

               ,writeRfile=false

               ]{mcexam}



    % Packages used for special things

    usepackage{tikz,framed} 

    usepackage{fancyhdr,lastpage,totcount,xpatch}

    usepackage{calc}



    % Set headers and footers

    pagestyle{fancy}



    fancyhf{}

    renewcommand{headrulewidth}{0pt} 

    renewcommand{footrulewidth}{1pt}

    lfoot{mctheversion}

    rfoot{Page thepage of pageref{LastPage}}



    % Ensure each question+answers is printed entirely on the same page.

    renewenvironment{setmcquestion}

      {begin{minipage}[t]{linewidth-labelwidth}}

      {end{minipage}par}



    newtoggle{questionscounted}

    globaltogglefalse{questionscounted}

    makeatletter

    newcommand{patch@mcquestions}{%

      iftoggle{questionscounted}

        {}

        {%

         setcounter{numquestions}{value{mc@counter}}%

         globaltoggletrue{questionscounted}

        }%

    }

    newcounter{numquestions}

    regtotcounter{numquestions}

    xpatchcmd{env@mcquestions@process}

     {mc@setQuestionAndAnswerNumbers}

     {mc@setQuestionAndAnswerNumberspatch@mcquestions}

     {}{}

    makeatother





    begin{document}





    begin{center}

      bfseriesLARGE Midterm Exam 

    end{center}



    begin{framed}

      centeringbfseriesLargeMakeUppercase{mctheversion}

    end{framed}



    mcifoutput{concept,exam}{ 



      bigskip



      noindent Name: dotfill\[.5baselineskip]

      noindent Student Number: dotfill\[.5baselineskip]

      noindent Program: dotfill  



      vspace{2baselineskip}





      noindenttextbf{Instructions:}

      begin{itemize}[nosep]

             item This exam has total{numquestions} questions. %THIS THROWS AN UNDEFINED CONTROL SEQUENCE ERROR

      end{itemize}  

    }





    begin{mcquestions}



    question What is the color of the sky?



              begin{mcanswerslist}[fixlast]

              answer[correct] blue

              answer green

              answer red

              answer yellow

              answer none of the above

              end{mcanswerslist}        



              begin{mcexplanation}

              If you look up to the sky and there are no clouds, you'll see it is blue.

              end{mcexplanation}



              begin{mcnotes}

              This question had a large proportion of good answers last year.

              end{mcnotes}



question Which figure is a square?

          begin{mcanswers}

          begin{tabular}{@{}cccc}

          answer{1}{tikz{draw (-0.66,0)--(0.66,0)--(0,1)--cycle;}}& 

          answer{2}{tikz{draw (0,0)--(2,0)--(2,1)--(0,1)--cycle;}}& 

          answer[correct]{3}{tikz{draw (0,0)--(1,0)--(1,1)--(0,1)--cycle;}}& 

          answer{4}{tikz{draw (0,0) circle[radius=0.5];}}\

          answernum{1}&answernum{2}&answernum{3}&answernum{4}\

          end{tabular} 

          end{mcanswers}



end{mcquestions}



end{document}