What does this below rebus puzzle mean?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Find the number of squares in the below-given picture.

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?

What does this mean?

CCCCCCC

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

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?