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

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

What is the word or phrase below?
R | E | A | D

how come the second man dies?

If your uncle’s sister is not your aunt, what relation is she to you?

This was asked in an interview with Coa-Cola.

The interviewer has given me 100 marbles(50 white and 50 black) and two empty boxes.
He then told me that he will leave the room and i need to place all the marbles in two boxes.

And When he come back, he will draw a marble from any of the two box and if the marble is white I will be hired.

Also
* No box can be empty.
* All 100 marbles must be placed in one of the two boxes.

So what should I have done?

What's the only room from which no one can enter or leave

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?