YOURE IN A ROOM WITH NO DOORS AND NO WINDOWS AND SOON YOU WILL RUN OUT OF AIR THE ONLY THINGS IN THE ROOM ARE A TABLE AND A MIRROR HOW DO RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

This is a logic question and can be answered if one realizes that the TRUTH of a LIE is a LIE, and the LIE of a TRUTH is a LIE. You need one guard to give you the other guards answer. Knowing this one could ask a question like, If I were to ask the other guard which door leads to freedom, what would he say?

If you ask the guard who always tells the truth, he would tell you the other guard would point you to the door of death. If you ask the guard who always lies, he would tell you the opposite door of the truth-telling guard and point you to the door of death. In either case, both guards will point to the door of death so you should choose the other one. Did you answer this riddle correctly?
YES  NO  

Because Mercury moved in. Did you answer this riddle correctly?
YES  NO  

A tornado Did you answer this riddle correctly?
YES  NO  

He had stood on a block of ice until it melted. Did you answer this riddle correctly?
YES  NO  

A nose Did you answer this riddle correctly?
YES  NO  

Your shadow Did you answer this riddle correctly?
YES  NO  

The answer is 3 tea cups because the question was not forty cups it was four tea cups. Did you answer this riddle correctly?
YES  NO  

You can only ran, because it's past tents. Did you answer this riddle correctly?
YES  NO  

Because it's no big deal unless you're not getting any. Did you answer this riddle correctly?
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A fence Did you answer this riddle correctly?
YES  NO  

You peso much money! (pay so) Did you answer this riddle correctly?
YES  NO  

A river Did you answer this riddle correctly?
YES  NO  

Time. Iron, steel, stone and virtually any substance will be worn down given enough time. Did you answer this riddle correctly?
YES  NO  

Laundry Did you answer this riddle correctly?
YES  NO  

Microsoft Did you answer this riddle correctly?
YES  NO