Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

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

What brings you down but never up?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

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?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C