What is black when you buy it, red when you use it, and gray when you throw it away?

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?

Decode this picture on T-Shirt and tell what it says ?

Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.

How many bananas can you eat if your stomach is empty?

Can you find out who is the kidnapper in below Picture and why, Explain ?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

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

What begins with T, ends with T, and has T in it?