Answer:
I start new then become old. Start clean but become dirty. I usually start big then become little. What am I?
I am an odd number. Take away a letter and I become even. What number am I?
I am a delicious way of representing data.
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
you cannot keep me until you have given me
I am your mother's brother's only brother in law. Who am I?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic