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?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?