Answer:
When I live I cry if you don't kill me I'll die.
A piece of paper that takes most people 3 or 4 years to get.
I am an odd number. Take away a letter and I become even. What number am I?
Tear me off and scratch my head, what once was red is black instead. What am I?
hide me from your parents if you have done bad academically this year.
The answer I give is yes, but what I mean is no. What was the question?