What is the next number in this series?

4,12,84,3612....

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

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 find out the missing number in the grid?

Which famous Hollywood movie name is hidden in the below rebus?

Can you divide the below-given shape into four equal and identical pieces?

Consider this: Arnold Schwarzenegger has a big one. Michael J. Fox has a small one. Prince doesn’t have one. The Pope has one but never uses it. Bill Clinton has one and uses it all the time. What is it?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Which is Odd One Out and why?

4377

3954

9862

8454

9831

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?