Answer:
If four people can repair four bicycles in four hours, how many bicycles can eight people repair in eight hours?
What is brown and is very stick?
Hands she has but does not hold, teeth she has but does not bite, feet she has but they are cold, eyes she has but without sight. Who is she?
It moves around in circles. We see it as we turn. It keeps us always warm. Always alive and always dying, Across the sky we see it flying, But touch it and we burn.
What's at the head of an elephant and at the tail of a squirrel?
What did the piece of wood say when he saw the screwdriver and screws approaching?