A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

I’m orange, I wear a green hat and I sound like a parrot. What am I?

I make two people out of one. What am I?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

What is the riddle which can be asked all day with a different correct answer each time.

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?