1.5.3 Can you answer these questions?

Can you answer these?

1.5.3.1 Media9 is not working when embedding video into beamer

http://tex.stackexchange.com/questions/262111/media9-is-not-working-when-embedding-video-into-beamer

I have a problem when I try to insert videos into a beamer presentation. I am currently using the package media9 to load the video and my .tex file looks like the following: 
\documentclass[utf8,  ...
 

- asked by Adolfo 2votes

1.5.3.2 Currency group separators for India

http://tex.stackexchange.com/questions/261972/currency-group-separators-for-india

I am typesetting some Indian currency using spreadtab for calculations. I want to obey the usual conventions followed in typesetting Indian money amounts: 
One thousand (hazar) = 1,000 
One lakh =  ...
                                                                                  

                                                                                  
 

- asked by user2751530 2votes

1.5.3.3 ZWJ in LuaTeX prints a bar

http://tex.stackexchange.com/questions/261931/zwj-in-luatex-prints-a-bar

The following document prints in XeTeX the medial form of the arabic letter, thanks to the two ZWJ characters ("200D). 
\documentclass{article} 
\usepackage{fontspec} 
...
 

- asked by Javier Bezos 4votes