I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

I travel all around the world but always stay in the corner. What am I?

You see me once in June, twice in November, and not at all in May. What am I?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

10+10 and 11+11 can give you the same answer.

Explain how?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A man dies of old age on his 25 birthday. How is this possible?