1.21.3 Can you answer these questions?

1.21.3.1 Color a subset of digits in SIUNITX
1.21.3.2 Lyx: document cannot be opened
1.21.3.3 Correct counting of paragraph number is header/footer

Can you answer these?

1.21.3.1 Color a subset of digits in SIUNITX

http://tex.stackexchange.com/questions/282039/color-a-subset-of-digits-in-siunitx

I am writing a presentation with Beamer, where I show the benchmarks of a program I wrote. This involve comparing a lot of number coming from different sources. These numbers can differ only in the  ...
 
- asked by R.M. 3votes
1.21.3.2 Lyx: document cannot be opened

http://tex.stackexchange.com/questions/281628/lyx-document-cannot-be-opened

I am writing my very first serious Lyx document for end project of study. All was well and I was having fun until tonight when I tried to open it, it cannot be opened: 
Error says: 
Doesn't  ...
                                                                                  

                                                                                  
 
- asked by Sayros 3votes
1.21.3.3 Correct counting of paragraph number is header/footer

http://tex.stackexchange.com/questions/281898/correct-counting-of-paragraph-number-is-header-footer

I want to \usepackage{fancyhdr} to list paragraph numbers in the header/footer of a document. Most of the time this works fine but when a new page starts with a paragraph, the number is also listed on  ...
 
- asked by Vimala 3votes