Who is the murderer? 100 questions with answers

Answer 1

Here are some questions and answers to the murderer's reasoning:

* * 1. Hotel Couple Problem **
1. * * Title *
- Two couples came to the hotel. One of them was a real couple, and the other was a wanted criminal who had killed her husband and her lover. Since the hotel had already received a wanted order, they were already on guard. Unfortunately, the wanted photo was not clear, so it was impossible to tell which pair was the criminal.
2. * * Answer and Reasoning **
- Answer: C is the murderer (assume that C is the lover and the fugitive who killed her husband).
- Reasoning: Use the method of elimination. Assuming that B and D are together, and A and C or E are together according to some unmentioned conditions (There may be missing information in the original question, but the general idea is to eliminate them through various assumptions and logic). If A and C were together, he would continue to deduce based on other conditions and assumptions that were not given in detail, and finally arrive at a conclusion.

* * 2. The salesman's murder problem **
1. * * Title *
- A person was killed, and there were related personnel present, including a salesman.
2. * * Answer and Reasoning **
- Answer: The murderer was a salesman.
- Reason: Lovers don't mind smoking in front of their lover. A salesperson would care about their behavior in front of customers. Therefore, after taking one or two puffs of the cigarette, he threw it away before the customer opened the door. According to this behavior, the salesperson was a major suspect.

* * 3. The issue of killing people on the train **
1. * * Title *
- On a high-speed train, a person was killed in his compartment. The suspects were A and B. "I was reading a novel at that time. After reading for a while, I was attracted by the scenery outside the window and kept reading," said A. The sheriff took a look. It was indeed beautiful. B said,"I was also looking at the scenery. It's just that I opened the window and the wind blew my documents everywhere. It took me a while to tidy up." The sheriff looked at it and confirmed that it had been blown away by the wind.
2. * * Answer and Reasoning **
- Answer: The murderer is B.
- Reason: On a high-speed train, due to the air pressure, the window cannot be opened. B said that opening the window caused the documents to scatter, so B was the murderer.

* * 4. The murder of a professor at the University of Tokyo **
1. * * Title *
- At an international academic conference. Professor Inoue of the University of Tokyo in Japan was found dead with a sharp knife stabbed in his abdomen the day before he published his new research results. Strangely, the deceased was holding a maple leaf in his right hand. Red maple leaves were scattered all over the floor. Johnson (a professor at the University of Paris), Morris (a professor at the University of Atlanta), and Hans (a professor at the University of Ber) were suspects.
2. * * Answer and Reasoning **
- Answer: The murderer was Hans.
- Inference: Because the deceased was a professor at the University of Tokyo in Japan, he held a maple leaf in his hand. Maple leaves were the symbol of Canada, and Atlanta was a city in Canada. The murderer deliberately used maple leaves to mislead the investigation. The real murderer should be Hans, who had little contact with maple leaves (this is an inference based on eliminating misleading factors).

* * 5. Japanese oil tankers theft **
1. * * Title *
- There was a Japanese luxury cruise ship that was traveling around the world. Everyone was on the deck looking at the sea, but when they returned to the cabin after enjoying the sea view, they found that someone's belongings were missing. At this time, there were four staff members who were suspicious because they did not go to the deck. A said,"I've been in the mechanical room, maintaining the engine." B said,"I just changed the flag on the top floor and later found out that it was hung upside down." He could only hang up again. C said,"I'm resting in the lounge." D said,"I'm playing poker alone in my room."
2. * * Answer and Reasoning **
- The answer was B.
- [Reason: The Japanese flag has a red sun in the middle, and the top and bottom are white. There is no such thing as a reverse hanging. B is lying, so B is the thief.]

* * 6. The programmer was killed **
1. * * Title *
- Carl, the programmer, was found dead in his home. His body was lying on the keyboard. Before he died, he left behind a secret code, 2WXXIDR5. The police found four suspects: Vance, Beck, Mary, and Tyler.
2. * * Answer and Reasoning **
- Answer: The murderer was Becker.
- [Inference: According to the layout of the letters on the keyboard, the letters in the name of 2WXMDR5 are arranged from left to right and from top to bottom. This is related to the layout of the letters in the name of Baker1 on the keyboard (this is an inference based on the correspondence between the layout of the letters on the keyboard and the letters of the name).]

* * 7. The English Teacher Was Killed **
1. * * Title *
- An English teacher was killed, and the word hello was left on his computer. There were three suspects: a, the suspect had a conflict with the deceased, and his ID was 85121215; b, the suspect had an argument with the deceased, and his ID was 69265720; c, the suspect had a grudge with the deceased, and his ID was 16388612.
2. * * Answer and Reasoning **
- Answer: The murderer is suspect A.
- [Inference: The letter o in hello is similar to the number 0. Suspect A's employee number 85121215 has two 1s and two 5s. There is some relationship between the letters in hello and the shape of the numbers and letters (an inference based on the association of numbers and letter shapes).]

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