Who is that with a neck and no head, two arms and no hands? What is it?

What can go through glass without breaking it?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

If a wheel has 54 spokes, how many spaces are there between the spokes?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

What has no start, end, or centre?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Count the number of lines in the image below ?

What do you answer even though it never asks you questions?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?