Before Mount Everest was discovered, what was the highest mountain in the world?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

What jumps when it walks and sits when it stands?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What you cannot hold but it is yours?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?