Decode below three cipher riddles:

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

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

What am I?

What is both possible and impossible at the same time?

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

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

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

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

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?