The more you take me, the more you leave me behind.
Who Am I?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

What is the riddle which can be asked all day with a different correct answer each time.

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

What demands an answer, but asks no questions

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

I’m tall when I’m young, and I’m short when I’m old. What am I?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

What breaks yet never falls, and what falls yet never breaks?