How many times can you subtract the number two from the number fifty?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

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?

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. 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 am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Why 1729 is a magic number? Answer Logically.

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?