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

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

our enemy challenges you to play Russian Roulette with a 6-cylinder pistol (meaning it has room for 6 bullets). He puts 2 bullets into the gun in consecutive slots, and leaves the next four slots blank. He spins the barrel and hands you the gun. You point the gun at yourself and pull the trigger. It doesn't go off. Your enemy tells you that you need to pull the trigger one more time, and that you can choose to either spin the barrel at random, or not, before pulling the trigger again. Spinning the barrel will position the barrel in a random position.

Assuming you'd like to live, should you spin the barrel or not before pulling the trigger again?

Can you find out who is the kidnapper in below Picture and why, Explain ?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

What building has the most stories?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Can you place three balls such that the equation shown in the picture holds true?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?