The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What number do you get when you multiply all of the numbers on a telephone's number pad?

If eleven plus two equals one, what does nine plus five equal?

Replace the question mark with the number below given a simple math problem.

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

There are three cows, two dogs, and one cat: How many legs do you have?

Rearrange the letters in "new door" to make one word.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.