It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

What you cannot hold but it is yours?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

What demands an answer, but asks no questions

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

The more of this there is, the less you see. What is it?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?