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

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

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

How can you take 2 from 5 and leave 4?

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?

How many times can you subtract the number 5 from 25?