What's the only room from which no one can enter or leave

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

What number when divided in half becomes zero?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

A man is surviving on an island along with his friend. They have been starving for four days for food. Suddenly, they find a fisherman. The friend goes with the fisherman in order to catch the fish (if they can find any).

The fisherman returns after some time but he is alone and has some salmon that he had prepared. When asked, the fisherman tells him that his best friend fell off the boat and drowned in the water. Starving for so long, he eats the meal while crying for his friend.

After being rescued, he goes to a diner and orders salmon. When he eats his meal, he jumps and commits suicide. Why did he do it?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

You need to move three matchsticks to form three squares. Can you do it?

Why Wine Glass Stem is so long?

Replace the question mark with the correct number below.

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?