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

The more it dries, the wetter it becomes. Can you tell what it is?

What will you call your mother's brother's brother-in-law?

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

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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

It is always ahead of me yet I can never see it. What is it?

How can you leave a room with two legs and return with six legs?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?