If there're 3 apples and you take away 2, how many do you have?
If you take 2 apples, than you have of course 2.
What is invisible and makes people suffer from symptoms like sweating and nausea, yet people can’t survive without it?
If you have one pound of rocks and one pound of feathers, which one will weigh more?
They both weigh a pound.
If you were running a race, and you passed the person in 2nd place, what place would you be in now?
You would be in 2nd. Well, you passed the person in second place, not first.
How can one talk without saying a single word?
by writing / using hand symbols
What is red but it smells like a blue paint?
What has only two words, but thousands of letters?
David's father has three sons : Snap, Crackle and _____ ?
Name the only sport in which the ball is always in possession of the team on defense, and the offensive team can score without touching the ball?
I am an odd number; take away a letter and I become even. What number am I?