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Murder by Logic (Posted on 2004-03-05) Difficulty: 3 of 5
Professor Z was killed by one of his four students, who was helped by another of the four. His students declared:

A: If B is guilty of something, then C must be innocent.
B: If A is innocent, then C must be guilty.
C: If B was the killer, then D must have had nothing to do with the crime.
D: I am innocent.

As everybody should know, guilty parties always lie, and innocent people always tell the truth. Who killed the professor, and who was his accomplice?

See The Solution Submitted by Federico Kereki    
Rating: 3.6667 (12 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
answer | Comment 22 of 23 |
B was the accomplice, assisting D who was the killer.

Edited on May 15, 2008, 6:15 am
  Posted by K Sengupta on 2007-11-10 04:44:12

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