i need a really hard quesstion?
819720
What has four wheels and flies? A garbage truck! Haha, I'm sooo funny!
94447
Geeze, that is a hard one, hell if i know!!! TE HE
210183
Your query is a hard one. Best of luck, bud.
1029556
yes , it is very hard
106859
Can you please explain a little more about what you require.
922032
Please making to have the question in more better understanding
357680
I'm trying 2 figure out how 2 chick this question.
684896
not very clear question
193759
This isn't really a question.  Can you be more specific with what you are wanting?
84381
could you ask a more general question please, this one is too specific
366721
Tough one. These links may help.
939843
this question is very very serious trouble.
174738
really dont know thks for 2 points
739716
Too easy, give me a harder one.
83458
I've attached a few websites that may be helpful, but I think you will have a difficult time finding what you want on line.  A textbook might be a more likely solution.
292411
Hmm, this might be a tough one.  Have you contacted UP for possible reference help?
714816
That question is too hard.