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?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

If eleven plus two equals one, what does nine plus five equal?

I cannot talk, but I always reply when spoken to. What am I?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?