Answer:
I am an odd number. Take away a letter and I become even. What number am I?
I run smoother than any rhyme I love to fall but cannot climb.
Flat as a leaf, round as a ring; have two eyes, can't see a thing. What am I?
What word begins and ends with an E, but only has one letter?
I am the minerals vital for your good health.
What language does a billboard speak?