What has one letter and starts with an E?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

What number divided by 4 is the same as that number minus 4?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

Can you solve below mathematical equation?

2^1234 - 2^1233

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

What Is It?

Can you decipher the two rows to find the hidden word?