I HAVE MANY KEYS BUT NO LOCKS YOU CAN ENTER BUT NOT LEAVE WHAT RI RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Peter will have to use a lock box that can hold two locks. He will put the ring in a box and will mail it to Mary. Upon receiving the box, Mary will put her own lock box inside and will send back to Peter. Peter can then-then take off his lock and send it off to Mary again. Did you answer this riddle correctly?
YES  NO  

A boat Did you answer this riddle correctly?
YES  NO  

Because there's always one Mordor. Did you answer this riddle correctly?
YES  NO  

Tolkeins. Did you answer this riddle correctly?
YES  NO  

None... it only takes Tolkiens! Did you answer this riddle correctly?
YES  NO  

Because it was hobbit-forming! Did you answer this riddle correctly?
YES  NO  

The fans were Baggins for it Did you answer this riddle correctly?
YES  NO  

They both fly around Uranus looking for Klingons. Did you answer this riddle correctly?
YES  NO  

The man has survived a nuclear holocaust. He has wandered the earth for months looking for another survivor, but cannot find anyone and so comes to believe that he is the only survivor. Out of loneliness, he decides to commit suicide by jumping out of a tall building. When he is falling and hears the phone ring, he realizes that he must have been wrong- there IS another survivor. He has a heart attack and dies. Did you answer this riddle correctly?
YES  NO  

By pressing the elevator button, he realizes that the electricity has gone off. His wife was connected to an electrical device for health issues, so he realizes that his wife is dead. Did you answer this riddle correctly?
YES  NO  

A ton Did you answer this riddle correctly?
YES  NO  

An iceberg. Did you answer this riddle correctly?
YES  NO  

Gold Did you answer this riddle correctly?
YES  NO  

An Envelope Did you answer this riddle correctly?
YES  NO  

A Tooth. Did you answer this riddle correctly?
YES  NO