11.20.3 Can you answer these questions?

11.20.3.1 multiple correct choice in exam-randomizechoices

https://tex.stackexchange.com/landing/r/digest?cta=question&id=739345

In exam class with exam-randomizechoices package, how is it possible to \printkeytable in the case of multiple \CorrectChoice ? 
MWE: 
\documentclass[12pt,a4paper,answers]{exam} 
\usepackage[randomize,... 
[exam]
 

asked by user4624500 https://tex.stackexchange.com/landing/r/digest?cta=user&id=81303 Score of 1

answered by Alessandro Chitarrini https://tex.stackexchange.com/landing/r/digest?cta=user&id=378351 Score of 0

11.20.3.2 Beamer separator between note items

https://tex.stackexchange.com/landing/r/digest?cta=question&id=739416

Ok, so writing notes for beamer i want to have notes preceding the overlay changes, but i want it separated from the notes of current overlay. 
So i would like to insert a an \vfill\hrule between the ... 
[beamer] [notes]
 

asked by Felipe9 https://tex.stackexchange.com/landing/r/digest?cta=user&id=241136 Score of 2

answered by samcarter_is_at_topanswers.xyz https://tex.stackexchange.com/landing/r/digest?cta=user&id=36296 Score of 0

11.20.3.3 Drawing a tree with a lot of symmetry

https://tex.stackexchange.com/landing/r/digest?cta=question&id=739628

I am trying to draw a tree and am stuck. The properties that the code / the figure should have are as follows. It should ... 
... have a horizontal edge at its center. 
... be easy to colour certain ... 
[tikz-pgf] [tikz-trees] [forest] [trees]
 

asked by Georgonzola https://tex.stackexchange.com/landing/r/digest?cta=user&id=384570 Score of 1