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

What always comes into a house through the keyhole?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

John was visiting his friend Jacob. He found out that his friend's wife had just killed a burglar in self-defense.
John asks Jacob about what happened and he told that "His wife was watching television when suddenly the bell rang. She thought that it is her husband Jacob but she found the burglar who attacked her instantly and she got so frightened that she killed the burglar immediately with the knife.
John asked the police to arrest his friend's wife. Why?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C