Answer:
how many letters are there in the alphabet
Left to right Iβm quite bright. Right to left I might bite.
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
What has a bell but isn't a church. Is full of air but is not a balloon?
Why was the belt arrested?