Three of these statements are false.
  1. 2 + 2 = 4
  2. 3 * 6 = 17
  3. 8 / 4 = 2
  4. 13 - 6 = 5
  5. 5 + 4 = 9 Solution: Statements 2 and 4 are false. This makes the assertion of three false statements, itself, false. Its own falseness makes it true...

    A Blather of Paradoxes