Fix the numbering in exam class with minipage

Question

I am trying to put the figure beside the text in exam class using minipage. The best I can do currently is as the following:

With the MWE:

usepackage[a4paper, top=1.9cm, left=2cm, right=2cm, bottom=2.2cm]{geometry}
usepackage{xeCJK}
usepackage{amsmath}
usepackage{amssymb,amsthm}
usepackage{graphicx}
usepackage{commath}
usepackage{longfbox}
usepackage[nice]{nicefrac}
usepackage{cancel}
usepackage{bigints}
usepackage{hyperref}
usepackage{cases}
usepackage{mathtools}
usepackage{empheq}
usepackage{setspace}
usepackage{enumitem, tasks}
usepackage{multicol}
usepackage{graphicx}
usepackage{systeme}
usepackage{gensymb}
usepackage{tkz-euclide}
usepackage{tikz}
usepackage[justify]{ragged2e}
usepackage{pgfplots}
usepackage[export]{adjustbox}
usepackage{colortbl}
usepackage{wrapfig}
usepackage{tikz-3dplot}
usepackage{fancybox,framed}
usepackage[most]{tcolorbox}
usepackage{caption}
usepackage{bm}
usetikzlibrary{patterns}
captionsetup[table]{name=表格}
usetikzlibrary{angles,quotes}

pgfdeclarepatternformonly{mynewdots}{pgfqpoint{-1pt}{-1pt}}{pgfqpoint{1pt}{1pt}}{pgfqpoint{1pt}{1pt}}% original definition: pgfqpoint{3pt}{3pt}
{%
    pgfpathcircle{pgfqpoint{0pt}{0pt}}{.5pt}%
    pgfusepath{fill}%
}%

% A custom arrowhead for use on x, y, z axes
tikzstyle{axisarrow} = [-{Latex[inset=0pt,length=5pt]}]

tikzset{
    slope/.code={edefslope{#1}},
    slope/.default=0.5,
    slope
}
makeatletter
pgfdeclarepatternformonly[tikz@pattern@color,slope]{slant lines}
{pgfpoint{-.1mm/slope}{-.1mm}}
{pgfpoint{1.1mm/slope}{1.1mm}}
{pgfpoint{1mm/slope}{1mm}}
{
    pgfsetlinewidth{0.4pt}
    pgfpathmoveto{pgfpoint{-.1mm/slope}{-.1mm}}
    pgfpathlineto{pgfpoint{1.1mm/slope}{1.1mm}}
    pgfsetstrokecolor{tikz@pattern@color}
    pgfusepath{stroke}
}
makeatother

lfoot{$copyright$ 2013循人中学版权所有}
rfoot{【机密】}
cfoot{- thepage , - }
newtcolorbox{tcbdoublebox}[1][]{%
    enhanced jigsaw,
    sharp corners,
    hbox,
    colback=white,
    borderline={1pt}{-2pt}{black},
    fontupper={setlength{parindent}{10pt}},
    #1
}
pgfplotsset{compat=1.16}
setCJKmainfont[BoldFont=Hei,ItalicFont=Kai]{KaiTi}
usetikzlibrary{decorations.pathreplacing}
usetikzlibrary{calc,backgrounds}
usetikzlibrary{intersections}
usepackage[font=normal,justification=centering]{caption}
usepackage[most]{tcolorbox}
renewcommand{choicelabel}{textbf thechoice , ,}
newenvironment{solutions}
renewcommand{questionshook}{%
    setlength{leftmargin}{15pt}%
}

newcommand{ihat}{boldsymbol{hat{imath}}}
newcommand{jhat}{boldsymbol{hat{jmath}}}
newcommand{parallelsum}{mathbin{!/mkern-5mu/!}}


newcommandafterclasspart{renewcommandpartlabel{(thepartno)makebox[0pt]{$ ^ast$}}}  
newcommandstandardpart{renewcommandpartlabel{(thepartno)}}

renewcommand{choiceshook}{%
    setlength{itemsep}{0pt}
    settowidth{leftmargin}{W.hskiplabelsephskip 0em}
}
settasks{label={Alph*}, label-format=bfseries, label-offset = 1em, column-sep = 1.5em, item-indent=2em}
usepackage{xpatch}
xpatchcmd{choices}{penalty -50hskip 1em plus 1emrelax}{hfill}{}{}
renewcommand{baselinestretch}{1.5}
unframedsolutions

makeatletter
DeclareFontFamily{U}{tipa}{}
DeclareFontShape{U}{tipa}{m}{n}{<->tipa10}{}
newcommand{arc@char}{{usefont{U}{tipa}{m}{n}symbol{62}}}%

renewcommand{arc}[1]{mathpalettearc@arc{#1}}

newcommand{arc@arc}[2]{%
    sbox0{$m@th#1#2$}%
    vbox{
        hbox{resizebox{wd0}{height}{arc@char}}
        nointerlineskip
        box0
    }%
}
makeatother

tikzset{
    hatch distance/.store in=hatchdistance,
    hatch distance=10pt,
    hatch thickness/.store in=hatchthickness,
    hatch thickness=2pt
}
makeatletter
pgfdeclarepatternformonly[hatchdistance,hatchthickness]{flexible hatch}
{pgfqpoint{0pt}{0pt}}
{pgfqpoint{hatchdistance}{hatchdistance}}
{pgfpoint{hatchdistance-1pt}{hatchdistance-1pt}}%
{
    pgfsetcolor{tikz@pattern@color}
    pgfsetlinewidth{hatchthickness}
    pgfpathmoveto{pgfqpoint{0pt}{0pt}}
    pgfpathlineto{pgfqpoint{hatchdistance}{hatchdistance}}
    pgfusepath{stroke}
}
makeatother

tikzset{
    % style to apply some styles to each segment of a path
    on each segment/.style={
        decorate,
        decoration={
            show path construction,
            moveto code={},
            lineto code={
                path [#1]
                (tikzinputsegmentfirst) -- (tikzinputsegmentlast);
            },
            curveto code={
                path [#1] (tikzinputsegmentfirst)
                .. controls
                (tikzinputsegmentsupporta) and (tikzinputsegmentsupportb)
                ..
                (tikzinputsegmentlast);
            },
            closepath code={
                path [#1]
                (tikzinputsegmentfirst) -- (tikzinputsegmentlast);
            },
        },
    },
    % style to add an arrow in the middle of a path
    mid arrow/.style={postaction={decorate,decoration={
                markings,
                mark=at position .5 with {arrow[#1]{stealth}}
    }}},
    midd arrow/.style={postaction={decorate,decoration={
                markings,
                mark=at position .5 with {arrow[thick,blue]{#1}}
    }}},
}
pgfarrowsdeclaredouble{<<s}{>>s}{stealth}{stealth}%   double stealth


begin{document}
    begin{questions}
        setlength{rightpointsmargin}{2.5cm}
        pointsdroppedatright
        marginpointname{%}
        bigskip
        question 
        begin{minipage}{0.65textwidth}
            question 
        begin{parts}
            part Figure 1 shows a pyramid $ABCD-E$. Suppose that $AE=13$, $AC=10$. Find the followings:
            begin{subparts}
                subpart[1] Height $ME$.droppoints
                subpart[2] Area of base square $ABCD$.droppoints 
                subpart[2] Volume of pyramid $ABCD-E$.droppoints 
            end{subparts}
            bigskipbigskipbigskip
            part[5] As shown in Figure 2，The horizontal distance between building P and Q are $BC=30$ meters. The angle of elevation from point $A$ to point $C$ and to point $D$ are $45^circ$ and $30^circ$, respectively. If these two building are perpendicular to the ground, find their vertical height. droppoints 
            end{parts}
        end{minipage}
            begin{minipage}{0.03textwidth}
            textcolor{white}{hello}
        end{minipage}
            begin{minipage}{0.4textwidth}
            raisebox{-7cm}{
            begin{tikzpicture}[scale=0.9]
            defraio{1.5}
            defaltura{3}
            defmarca{0.2}
            defang{68}
            draw[thick] (-raio,0,raio) -- (raio,0,raio) -- (raio,0,-raio);
            draw[thick, densely dashed,black!80] (raio,0,-raio) -- (-raio,0,-raio) -- (-raio,0,raio);
            node[left] at (-raio,0,raio) {$A$};
            node[right] at (raio,0,raio) {$B$};
            node[right] at (raio-0.1,0,-raio) {$C$};
            node[above] at (-raio-0.2,-0.15,-raio+0.2) {$D$};
            node[above] at (0,altura-0.1,0) {$E$};
            node[below] at (0,0,0) {$M$};
            draw (-marca,0,-marca) -- (marca,0,marca);
            draw (marca,0,-marca) -- (-marca,0,marca);
            draw[densely dashed] (0,0,0) -- (0,altura,0);
            draw[thick] (-raio,0,raio) -- (0,altura,0) -- (raio,0,-raio);
            draw[thick] (raio,0,raio) -- (0,altura,0);
            draw[thick, densely dashed,black!80] (0,altura,0) -- (-raio,0,-raio);
            node at (0.3,-1.05,1.25){Figure 1};        end{tikzpicture}}
        bigskipbigskipbigskip
            raisebox{-1cm}{
            begin{tikzpicture}[scale=0.9,
            one end extended/.style={shorten <=-#1},
            one end extended/.default=1.5cm,
            my angle/.style={
                every pic quotes/.append style={text=black},
                draw=black!200,
                thick,
                fill=orange!20,
                angle radius=0.6cm,
            }]
            %tkzGrid
            tkzDefPoints{4/1/B, 1.8/1/C, 7.2/1/D, 7.2/0.8/F}
            tkzDefShiftPoint[B](135:4){A};
            tkzDrawSegment[very thick](C,D);
            draw [fill,pattern=north east lines,draw=none] (C) rectangle (F);
            draw[thick, pattern=mynewdots, pattern color=purple!40] (2,1) rectangle (3,4.5);
            draw[thick, pattern=mynewdots, pattern color=green] (6,1) rectangle (7,2.5);
            coordinate (G) at (3,4.5);
            coordinate (H) at (6,2.5);
            coordinate (I) at (3,1);
            coordinate (J) at (6,1);
            coordinate (K) at (3.7,2.5);
            coordinate (L) at (5,4.5);
            node at (G) [above]{$A$};
            node at (3,0.9) [below]{$B$};
            node at (6,0.9) [below]{$C$};
            node at (6.2,2.5) [above=-2.5pt]{$D$};
            node at (2.5,2.75) {P};
            node at (6.5,1.75) {Q};
            draw[dashed] (G)--(H);
            draw[dashed](G)--(6,1);
            draw[dashed] (G)--(5,4.5);
            pic [my angle, anchor=west, "$45^circ$", angle eccentricity=1, thick, fill opacity=0.2, angle radius=1.3cm, fill=blue!40, text opacity=1] {angle=J--G--L};
            pic [my angle, anchor=west, "$30^circ$", angle eccentricity=1, thick] {angle=H--G--L};
            node at (4.5,0) {Figure 2};
            draw[dashed] (G)--(H);
            draw[dashed](G)--(6,1);
            draw[dashed] (G)--(5,4.5);
            tkzDrawSegment[very thick](C,D);
            end{tikzpicture}}
        end{minipage}
    end{questions}
end{document}

You can see that in order to put numbering beside part, I have forced to put two question commands, so that one in the beginning and one in the middle. I hope the middle one could disappear, and whose numbered with ‘2’ can be returned to ‘1’. On the other hand, I could not figure out any code syntax so that my tikzpicture can be well located at the right of each subquestion. I have to adjust many times, using raisebox to each minipage — This is quite inefficient especially I need to deal with many questions.

Is there any ways to solve my question? Thanks for help.

exam minipage

John Kormylo · Accepted Answer

The problem is that exam class uses lists which expect a constant width, especially to print points.  OTOH, you can use paracol to put figures into a separate column and sync them up.
To change the width you could save all the counters to global macros (e.g. xdeflastquestion{number{question}}), end all the environments including paracol, then restart them all using the saved counter values (e.g. setcounter{question}{lastquestion})
documentclass{exam}
usepackage[a4paper, top=1.9cm, left=2cm, right=2cm, bottom=2.2cm]{geometry}
usepackage{mathtools}
usepackage{graphicx}

usepackage{paracol}
setcolumnwidth{0.65textwidth}

begin{document}
begin{paracol}{2}
    begin{questions}
        setlength{rightpointsmargin}{2.5cm}
        pointsdroppedatright
        marginpointname{%}
        bigskip
        question 
        begin{parts}
            part Figure ref{test1} shows a pyramid $ABCD-E$. Suppose that $AE=13$, $AC=10$. Find the followings:
            begin{subparts}
                subpart[1] Height $ME$.droppoints
                subpart[2] Area of base square $ABCD$.droppoints 
                subpart[2] Volume of pyramid $ABCD-E$.droppoints 
            end{subparts}
        switchcolumn
            begin{figure}[ht]
              includegraphics[width=linewidth]{example-image-a}
              caption{}label{test1}
            end{figure}
        switchcolumn*
            part[5] As shown in Figure ref{test2} ... If these two building are perpendicular to the ground, find their vertical height. droppoints 
        switchcolumn
            begin{figure}[ht]
              includegraphics[width=linewidth]{example-image-b}
              caption{}label{test2}
            end{figure}
        switchcolumn*
        end{parts}
    end{questions}
end{paracol}
end{document}

Alain Remillard · Answer

Here is a workabout for what you want.
Your problem comes from the minipage environment. By default, its alignment is centered on the baseline, but you could change this alignment using the optional argument of minipage. begin{minipage}[align]{width}. The align could be t for top, c for center or b for bottom.
I put the minipage inside the partand made one line for every part.  It'll be easier to align a picture with the corresponding text.
You need to define the baseline of your tikzpicture. By default, it is consider as a big caracter with the baseline at the bottom. There is a key that you could use, as an optional argument to the environment. begin{tikzpicture}[baseline=(some node)]
Then, every part will look like this:
part begin{minipage}[t]{width}
Your text here
end{minipage}
hfill
begin{minipage}[t]{width}
begin{tikzpicture}[baseline=(...)]
your picture here
end{tikzpicture}
end{minipage}

Starting from your code, here is my solution. I used two different nodes to align the pictures, to show different possibilities.
documentclass[draft]{exam}
usepackage[a4paper, top=1.9cm, left=2cm, right=2cm, bottom=2.2cm]{geometry}
usepackage{amsmath}
usepackage{amssymb,amsthm}
usepackage{mathtools}
usepackage{tkz-euclide}
usepackage{tikz}
usepackage{pgfplots}
usetikzlibrary{patterns}
usetikzlibrary{angles,quotes}

pgfdeclarepatternformonly{mynewdots}{pgfqpoint{-1pt}{-1pt}}{pgfqpoint{1pt}{1pt}}{pgfqpoint{1pt}{1pt}}% original definition: pgfqpoint{3pt}{3pt}
{%
    pgfpathcircle{pgfqpoint{0pt}{0pt}}{.5pt}%
    pgfusepath{fill}%
}%

usetikzlibrary{decorations.pathreplacing}
usetikzlibrary{calc,backgrounds}
usetikzlibrary{intersections}

renewcommand{baselinestretch}{1.5}

begin{document}
    begin{questions}
        setlength{rightpointsmargin}{2.5cm}
        pointsdroppedatright
        marginpointname{%}
        question 
        begin{parts}
            part 
       begin{minipage}[t]{0.6linewidth}
 Figure 1 shows a pyramid $ABCD-E$. Suppose that $AE=13$, $AC=10$. Find the followings:
            begin{subparts}
                subpart[1] Height $ME$.droppoints
                subpart[2] Area of base square $ABCD$.droppoints 
                subpart[2] Volume of pyramid $ABCD-E$.droppoints 
            end{subparts}
        end{minipage}
          hfill
           begin{minipage}[t]{0.3linewidth}
            begin{tikzpicture}[scale=0.9,baseline=(current bounding box.north)]
            defraio{1.5}
            defaltura{3}
            defmarca{0.2}
            defang{68}
            draw[thick] (-raio,0,raio) -- (raio,0,raio) -- (raio,0,-raio);
            draw[thick, densely dashed,black!80] (raio,0,-raio) -- (-raio,0,-raio) -- (-raio,0,raio);
            node[left] at (-raio,0,raio) {$A$};
            node[right] at (raio,0,raio) {$B$};
            node[right] at (raio-0.1,0,-raio) {$C$};
            node[above] at (-raio-0.2,-0.15,-raio+0.2) {$D$};
            node[above] at (0,altura-0.1,0) {$E$};
            node[below] at (0,0,0) {$M$};
            draw (-marca,0,-marca) -- (marca,0,marca);
            draw (marca,0,-marca) -- (-marca,0,marca);
            draw[densely dashed] (0,0,0) -- (0,altura,0);
            draw[thick] (-raio,0,raio) -- (0,altura,0) -- (raio,0,-raio);
            draw[thick] (raio,0,raio) -- (0,altura,0);
            draw[thick, densely dashed,black!80] (0,altura,0) -- (-raio,0,-raio);
            node at (0.3,-1.05,1.25){Figure 1};
        end{tikzpicture}
        end{minipage}
%            bigskipbigskipbigskip
            part[5] 
       begin{minipage}[t]{0.6linewidth}
As shown in Figure 2，The horizontal distance between building P and Q are $BC=30$ meters. The angle of elevation from point $A$ to point $C$ and to point $D$ are $45^circ$ and $30^circ$, respectively. If these two building are perpendicular to the ground, find their vertical height. droppoints 
        end{minipage}
           hfill
            begin{minipage}[t]{0.35linewidth}
            begin{tikzpicture}[scale=0.9,
            one end extended/.style={shorten <=-#1},
            one end extended/.default=1.5cm,
            my angle/.style={
                every pic quotes/.append style={text=black},
                draw=black!200,
                thick,
                fill=orange!20,
                angle radius=0.6cm,
            },
            baseline=(G)]
            %tkzGrid
            tkzDefPoints{4/1/B, 1.8/1/C, 7.2/1/D, 7.2/0.8/F}
            tkzDefShiftPoint[B](135:4){A};
            tkzDrawSegment[very thick](C,D);
            draw [fill,pattern=north east lines,draw=none] (C) rectangle (F);
            draw[thick, pattern=mynewdots, pattern color=purple!40] (2,1) rectangle (3,4.5);
            draw[thick, pattern=mynewdots, pattern color=green] (6,1) rectangle (7,2.5);
            coordinate (G) at (3,4.5);
            coordinate (H) at (6,2.5);
            coordinate (I) at (3,1);
            coordinate (J) at (6,1);
            coordinate (K) at (3.7,2.5);
            coordinate (L) at (5,4.5);
            node at (G) [above]{$A$};
            node at (3,0.9) [below]{$B$};
            node at (6,0.9) [below]{$C$};
            node at (6.2,2.5) [above=-2.5pt]{$D$};
            node at (2.5,2.75) {P};
            node at (6.5,1.75) {Q};
            draw[dashed] (G)--(H);
            draw[dashed](G)--(6,1);
            draw[dashed] (G)--(5,4.5);
            pic [my angle, anchor=west, "$45^circ$", angle eccentricity=1, thick, fill opacity=0.2, angle radius=1.3cm, fill=blue!40, text opacity=1] {angle=J--G--L};
            pic [my angle, anchor=west, "$30^circ$", angle eccentricity=1, thick] {angle=H--G--L};
            node at (4.5,0) {Figure 2};
            draw[dashed] (G)--(H);
            draw[dashed](G)--(6,1);
            draw[dashed] (G)--(5,4.5);
            tkzDrawSegment[very thick](C,D);
            end{tikzpicture}
        end{minipage}
            end{parts}
    end{questions}
end{document}

Not relevent to the problem, but there are some mistakes in your code.  Some packages are loaded twice (graphicx, tcolorbox, caption).
When doing minipage like this, make sure you did'nt exceed the text width. In your code, you have 0.65+0.03+0.40=1.053. This cause an overfull hbox to every line.
Also, when providing a code sample to show the problem, try to make is as small as possible by removing unnecessary package and command. It reduce the risk of compatibility issues. In your example, half the code wasn't useful to the problem and could have been removed.

Diaa · Answer

Using tabular and adjustbox with the code of John Kormylo's answer, you can get the same output:

documentclass{exam}
usepackage[a4paper, top=1.9cm, left=2cm, right=2cm, bottom=2.2cm]{geometry}
usepackage{mathtools}
usepackage[export]{adjustbox} % <-- it loads graphicx and provides the key 'valign'
usepackage{caption}

begin{document}
    begin{questions}
        setlength{rightpointsmargin}{2.5cm}
        pointsdroppedatright
        marginpointname{%}
        bigskip
        question 
        begin{parts}
            setlength{tabcolsep}{0mm}
            part
            begin{tabular}[t]{p{0.65linewidth}@{hspace{0.01linewidth}}p{0.34linewidth}}
                Figure ref{test1} shows a pyramid $ABCD-E$. Suppose that $AE=13$, $AC=10$. Find the followings:
                begin{subparts}
                    subpart[1] Height $ME$.droppoints
                    subpart[2] Area of base square $ABCD$.droppoints 
                    subpart[2] Volume of pyramid $ABCD-E$.droppoints 
                end{subparts} & includegraphics[width=linewidth, valign=t]{example-image-a}
            captionof{figure}{}label{test1}
            end{tabular}
        
            part[5]
            begin{tabular}[t]{p{0.65linewidth}@{hspace{0.01linewidth}}p{0.34linewidth}}
            As shown in Figure ref{test2} ... If these two building are perpendicular to the ground, find their vertical height. droppoints 
            & includegraphics[width=linewidth, valign=t]{example-image-b}
            captionof{figure}{}label{test2}
            end{tabular}
        end{parts}
    end{questions}
end{document}

Fix the numbering in exam class with minipage

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