Question: To pull a nail out of board,
Options:
use the blunt end of the hammer and hook it under the head of the nail.  Use the hammer handle as a lever and pry the nail out of the board.
use the claw end of the hammer and hook it under the head of the nail.  Use the hammer handle as a lever and pry the nail out of the board.
Answer: use the claw end of the hammer and hook it under the head of the nail.  Use the hammer handle as a lever and pry the nail out of the board.