Answer:
Six letters it contains. Take away the last and only twelve remains. What is the word?
I am the building with the most number of stories.
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
I am a cave full of bones and the house of a worm.
A thousand wheels, but move I do not. Call me what I am, call me a lot. What am I?
As round as an apple. As deep as a cup. All the king's horses can't pull it up.