Answer:
I go around in circles, But always straight ahead Never complain, No matter where I am led.
It belongs to you, but other people use it more than you do. What is it?
You are on an electric train. Which direction will the smoke fly in?
Lovely and round, I shine with pale light, Grown in the darkness, a ladyβs delight.
Which weighs more? A pound of iron or a pound of feathers?
What language does a billboard speak?