linq question: querying nested collections

Question

I have a Question class that has public List property that can contain several Answers.

I have a question repository which is respo

Answer 1

To find an answer.

questions.SelectMany(q => q.Answers).Where(a => a.Name == "SomeName")

To find the question of an answer.

questions.Where(q => q.Answers.Any(a => a.Name == "SomeName"))

In fact you will get collections of answers or questions and you will have to use First(), FirstOrDefault(), Single(), or SingleOrDefault() depending on your needs to get one specific answer or question.