Riddle:
Why was the student's homework in his father's handwriting?
Answer: Because the student borrowed his pen.
Riddle:
You are in a room that is completely bricked in on all four sides, including the ceiling and floor. You have nothing but a mirror and a wooden table in the room with you. How do you get out?
Answer: You look in the mirror you see what you saw, you take the saw and you cut the table in half, two halves make a whole, and you climb out the hole.
