Quote Originally Posted by Valda View Post
Really? Can't you say спрасить вопрос?
you can, theoretically
But it is a general rule not use two words with similar meaning together
спросить вопрос. Both words have the same root -прос-, comes from a word просить
So it will sound awkward and "спросить вопрос" is on wiki - http://ru.wikipedia.org/wiki/Тавтология_(риторика)