I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

What do you answer even though it never asks you questions?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?