Whats a question with no answer called?

By Bala
@balasri (26537)
India
November 1, 2006 7:33am CST
I dont know.
1 response
itshalom
@itshalom (355)
• Singapore
1 Nov 06
question mark?????
Bala
@balasri (26537)
• India
1 Nov 06
A kind of good answer.