Anyone know of a impossible question? or problem? that makes you think about it for hours?

Question

ex."which came first the chicken or the egg"

something like that.

Answer 1

If you travel back in time and tell yourself not to travel back in time and you listen to yourself would this event ever really happen?

Answer 2

yes how do you keep an idiot in suspense

i forgot to say i will tell you in a fortnight lol

Answer 3

yea,  

if a sister says her brother always lies but the brother says his sister always tells the truth, whos lying and whos telling the truth??

Answer 4

Read the sentence below.

Read the sentence above.

or

A man walks up to you and says "I always lie"

Is he lying? Or is he telling the truth?

Search "Paradoxes" on google.