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

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

How many sides does a circle have?

What makes this number unique: 8,549,176,320?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

How many letters are in the alphabet?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Client Dempsey living in one of the East Coast states of the U.S. was talking to Landon Donovan, who was living in the West Coast state of the U.S.

Dempsey: What time is it?
Donovan: Wow, It is the same time here.

How is this possible?