Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

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?

What is the next shape from answers A, B, C, and D figure?

What does the below rebus puzzle mean?

What's a single-digit number with no value?

Can you count the number of matches in the picture below ?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

How can one talk without saying a single word?

Can you solve the below geography rebus by decoding the below rebus ?

I was born in a small house and I live in it all alone. No windows and no doors have been assigned to my house. The only way I can go out is by breaking through the walls of my house.

Who am I?