Answer:
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
In marble halls as white as milk, lined with a skin as soft as silk. Within a fountain crystal-clear. A golden apple doth appear. No doors there are to this stronghold, yet thieves break in and steal the gold.
You throw away the outside, eat the inside, then throw away the inside. What is it?
Inside a great blue castle lives a shy young maid. She blushes in the morning and comes not out at night.
RUGBY = 9, TENNIS = 14, FOOTBALL = 12, HOCKEY = 16, SWIMMING = ?
What never gets any wetter no matter how hard it rains?