Elevator Mishap - Logic Puzzles
Six people were in an room together, when suddenly the lights went out. When the lights came back on, Fred Alberts' wallet was missing!
Detectives have investigated, they have questioned the suspects, the witnesses, and people who know the suspects. They have collected physical evidence (hair samples, fibre samples, etc.) from the crime scene. They have collected these clues, but have not been able to solve the crime.
They have now asked for your help. Examine the clues, and see if you can solve the crime.
The suspect who owns a purple car was wearing tan shoes.
The suspect who weighs 180 pounds owns a green car.
The suspect who owns a black car was wearing blue shoes.
The suspect who weighs 150 pounds was wearing tan shoes.
Brian Martin owns a green car.
Marty Jones was carrying a purple umbrella.
John Fox has red hair.
Larry Smith weighs 210 pounds.
The suspect who weighs 190 pounds was wearing blue shoes.
The suspect who was carrying a red umbrella is not the one who was wearing black shoes.
The thief owns a black car.
The suspect who owns a white car is not the one who weighs 170 pounds.
Bill Edison was wearing brown shoes.
The suspect who weighs 190 pounds is not the one who has red hair.
No two suspects have the same weight, colour shoes, colour umbrella, colour car, or hair colour.
Puzzle Copyright © David Leithauser
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Answer
Marty Jones.
Reasoning
By (11), the thief owns a black car.
By (3), was wearing blue shoes.
By (9), weighs 190 pounds.
By (14), doesn't have red hair.
So, the thief owns a black car, was wearing blue shoes, weighs 190 pounds, and doesn't have red hair.
We can eliminate five of the people in the room:
Fred Alberts — the victim.
Larry Smith — by (8) weighs 210 pounds.
Brian Martin — by (5) owns a green car.
Bill Edison — by (13) was wearing brown shoes.
John Fox — by (7) has red hair.
Therefore, the only possible thief is Marty Jones.
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