If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

What is the word or phrase below?
R | E | A | D

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

What's a single-digit number with no value?

Two old friends, Jack and Jill, meet after a long time, and discussing as:

Jack: Hey, how are you, man?

Bill: Not bad, got married and I have three kids now.

Jack: That's awesome. How old are they?

Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.

Jack: Cool..But I still don't know.

Bill: My eldest kid just started taking piano lessons.

Jack: Oh, now I get it.

How old are Bill's kids?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

I have an eye but still cannot see.

Who am I?

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?

What have one eye but still cannot see?