Rachel: Age: 25yesrs old
My faovrite game is Pou.
Correct: Age: 25 years old
My favorite game is Pou.
Explanation: Be careful with your spelling. ^^
Rachel: What university did you came?
Correct: What university have you attended?
Explanation: We have to use 'have you attended' when we are asking about a person's university.
Rachel: It's a pork with a sour soup.
Correct: It's pork with sour soup.
Explanation: We don't use the article 'a' or 'an' if something is not countable.