How do you say this sentences in German?
1) I like reading self-development books
2) What year are you in at your university?
3) What are you majoring in and why?
4) My hobby is learning languages
5) Could you write it down, please?
6) i like exercising outdoors

Question

How do you say this sentences in German?
1) I like reading self-development books
2) What year are you in at your university?
3)  What are you majoring in and why?
4)  My hobby is learning languages
5) Could you write it down, please?
6) i like exercising outdoors

Answer

You claim to be on level B1, so you should be able to translate these sentences by yourself.

2) In welchem Semester bist du?

Answer

1) Ich lese gerne Bücher über Persönlichkeitsentwicklung.
2) In welchem Semester bist du?
3) Welches(Haupt-)Studienfach belegst du und wieso?
4) Mein Hobby ist das Sprachenlernen./Ich lerne gerne Sprachen.
5) Könntest du es bitte aufschreiben?
6) Ich mag es draußen zu üben/trainieren.