What is both possible and impossible at the same time?

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?

I cannot talk, but I always reply when spoken to. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Decode the movie name from the below picture?

How many times in a given day, minutes and hour clock comes in a straight line ?

What is the coolest letter in the alphabet?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?