Replace the question mark with the correct number below.

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

When is the top of a mountain similar to a savings account?

What do you get if you add 2 to 100 four times?

Can you find out which options fits best with the missing column?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

What can jump higher than a building?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?