What color are all the books in the library?

What instrument did the plus sign play in band?

Why is the number 4 so smart?

Why don't ostriches fly ?

What position does lemonade play in baseball?

Why did the cake strike out in baseball?

Why are moms so good at keeping secrets?

Why did the twins join the Air Force?

What do you call a tractor that gets paid for what it does?

How often should you make chemistry jokes?

What do you call a car that's always thirsty?

What should you name your daughter born on Christmas?

Which superhero is here to solve world hunger?

Why are stones so good at music?

Why was the lamb so nervous at parties?