what does this below rebus represent identXQQQQQME

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What is the next number in the series?

15 29 56 108 208 ?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Why did Buffon take the goal with him after every Juventus match?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Replace the question mark with the correct number in below Picture:

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?