What is the coolest letter in the alphabet?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

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?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

In the picture given below, can you find out which digit will take place of the question mark?

What Time Should the last watch show in the below figure?

John walks into the daily grocery shop and steals a $100 bill from the shop. An hour later John returns to the shop and buys some daily products for $40. John pays the owner the $100 bill and therefore the owner returns him $60.

How much money did the owner lose?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------