What you cannot hold but it is yours?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Count the number of balls in picture below:

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

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

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

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

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

I shave every day, but my beard stays the same. What am I?