Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

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?

What is the riddle which can be asked all day with a different correct answer each time.

With the help clues provided in the image, can you find the 5 digit key?

Can you find a five letter word that is left with only two letters if one is removed?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

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?

Where do you go to learn how to make ice cream?

What is full of holes but still holds water?