Question: How to separate a piece of paper into 2 equal pieces, cleanly, without scissors?
Option 0: To separate a piece of paper into 2 equal pieces, cleanly, place a saw in the middle of the paper and pull the paper up against the edge of the ruler to separate it into two pieces.
Option 1: To separate a piece of paper into 2 equal pieces, cleanly, place a ruler in the middle of the paper and pull the paper up against the edge of the ruler to separate it into two pieces.
Answer: 1