I feel like "What is the name of your father's brother?" should also be an acceptable answer.
I've done a few of these questions in this section so far where the words are on the screen and you have to put them into the correct order. It keeps telling me that i have a typo in my answer! Also, it displays the correct answer which is, of course, identical. Technical error?
Do you pronounce the ''d'' in ''vad'''? Because sometimes I clearly a 't' sound, but at other times I don't.
Does "farbror" translate into "fahter´s brother"? And if it does, is it also used to talk about my mother´s brother?
Yes, literally it means father-brother. You can not use it for your maternal uncle; he is your morbror ("mother-brother").
What would you say if you talk about all your uncles, both your mother's and father's brothers. As in "all my uncles came to the wedding"
I think I prefer when the answer is free text because I always use up the 's genitive for a contraction of "has" by mistake, then I run out of words to select and have to start again.
I would say that it is both that vad in this sense is meaning what and not how, but also that how refers to the condition or quality of something, not the specification of something.