50% of 30 =15 :-)
This question is the hardest question to answer.
the hardest i can think of is "What is the answer to this question?"
is there a god. that's the hardest science question!
The hardest question is too difficult to conjure.
This very question itself, my friend, is the hardest question in the world.
Now that is a HARD question!
the hardest question to ask is as follows, Mr. 'Blank', may I have your permission to marry your daughter?
This question!
The hardest rock is PANTERA, or Diamonds. Depending on your question.
What is outside the universe.
Do you have an STD.
ummmmmmmmmmm :] its a opinion! :]