Asking how old some one is the question would be :- "Wie alt sind Sie?" or to a child "Wie alt bist du ?" When asked by an official to prove your age he or she would say :- "Zeigen Sie mir wie alt...
Quanti anni hai? is an Italian equivalent of the English phrase "How old are you?" Specifically, the masculine interrogative quanti means "how many." The masculine noun anni means "years." The verb...