What seven-letter word has hundreds of letters in it?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

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

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?