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

Can you count the number of children in the picture below

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

A hen, a dog, and a cat are stolen. Three suspects are arrested named Robin, Steve, and Tim. The police are sure that all of them stole one of the animals but they don't know who stole which animal.

Sherlock Holmes is appointed to identify and is provided with the following statements from the investigation.

Robin - Tim stole the hen
Steve - Tim stole the dog
Tim - Both Robin and Steve are lying. I neither stole a hen nor a dog.

Sherlock is somehow able to deduce that the man who stole the cat is telling a lie and the man who stole the hen is telling truth.

Can you help him find out who stole which animal?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Which Burger Is Different in below image?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

What breaks yet never falls, and what falls yet never breaks?