Answer:
What is black when it is clean and white when it is dirty?
Perhaps the most important adjective for ballerinas and princesses.
A girl was ten on her last birthday, and will be twelve on her next birthday. How is this possible?
Which friend of the witch eats the fastest?
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright
I am the same written forward backward and upside down.