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

Why did Buffon take the goal with him after every Juventus match?

Whats the next number in the below number sequence pattern.

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Find the number of squares in the below-given picture.

What kind of band never plays music?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?