Answer:
My neighbor makes mistakes. I get rid of them. Who am I?
A piece of paper that determines the academic fate of kids everywhere.
If four people can repair four bicycles in four hours, how many bicycles can eight people repair in eight hours?
I like to take trips and solve problems, puzzles and riddles along the way. I am never alone because my monkey friend will always accompany me. Who am I?
What is yours but only used by others?
Mountains will crumble and temples will fall. And no man can survive its endless call.