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?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

During which month do people sleep the least?

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

How many letters are in the alphabet?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

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?

How many letters are in the alphabet?

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