In the Transylvania puzzle, half of the inhabitants are insane, and believe only false things, whereas the other half are sane and believe only true things. In addition, humans always tell the truth, and vampires always lie. Which of the follwing can be deduced from above statements??

general knowledge math & puzzles

  1. everything said by an insane human or a sane vampire is true.

  2. everything said by a sane human or an insane vampire is true.

  3. everything said by an sane human or a sane vampire is false.

  4. everything said by an insane human or an insane vampire is true.

Show answer
Correct Option: B

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