Can anyone tell me a word in the English dictionary which has a silent 'z'?

People put me on the table and cut me but do not eat me. What am I?

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 do you answer even though it never asks you questions?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

What two things can you never eat for breakfast?

What is always in front of you but can’t be seen?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?