There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

If eleven plus two equals one, what does nine plus five equal?

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?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What jumps when it walks and sits when it stands?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

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