HOW MANY KEYS BUT CANT EVEN OPEN A SIGLE DOOR R RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

They were diving, wearing the old-fashioned diving suits that have a tube that goes to the surface. The were exploring a sunken submarine. When the man shut the door, it cut the air tube, and he died. Did you answer this riddle correctly?
YES  NO  

It is in a haunted house Did you answer this riddle correctly?
YES  NO  

Play the piano till he finds the right key. Did you answer this riddle correctly?
YES  NO  

The answer is 20. Many people have been guessing anywhere from 9 to 19, but the correct answer is 20. Did you answer this riddle correctly?
YES  NO  

A baby bird in an egg. Did you answer this riddle correctly?
YES  NO  

None. It should be opened by the time she brings it. Did you answer this riddle correctly?
YES  NO  

Because if they had four doors, they'd be chicken sedans. Did you answer this riddle correctly?
YES  NO  

Scissors Did you answer this riddle correctly?
YES  NO  

The Superbowl! Did you answer this riddle correctly?
YES  NO  

A Piano Did you answer this riddle correctly?
YES  NO  

Wreath Did you answer this riddle correctly?
YES  NO  

Cookies! Did you answer this riddle correctly?
YES  NO  

A needle Did you answer this riddle correctly?
YES  NO  

Refrigerator Did you answer this riddle correctly?
YES  NO  

Piano Did you answer this riddle correctly?
YES  NO