When I am ripe, I'm green. When you eat me, I'm red. When you spit me out, I'm black. What am I?
A watermelon
How many birthdays does the average man have?
One

What has a horn but can't honk?
A rhinocerous
The more you take the more you leave behind. What is it?
Footsteps

What is white when it is dirty?
A blackboard
What is the difference between here and there.
The letter T
What has four legs but can't walk?
A table
Say my name and I disappear. What am I?
Silence
A butcher in the store is 5 feet and 10 inches tall. What does he weigh?
Meat
What belongs to you but other people use it more?
Your name
What is full of holes but still holds water?
A sponge
What has an eye but cannot see anything?
A needle

What has wheels and flies, but is not an aircraft. What is it?
A garbage truck
What must be broken before you can use it?
An egg