Can you name some countries which do not have the alphabet 'A' in them?

What always comes into a house through the keyhole?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

81 x 9 = 801. What must you do to make the this equation true?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Replace the question mark with the number below given a simple math problem.

If you say my name, I will no longer exist. What am I?

What has 88 keys?

Can you count the number of lines in the below picture?

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?