The Vanishing Weapon: A man was found dead in his study. He was slumped over his desk and a gun was in his hand. There was a cassette recorder on his desk. When the police entered the room and pressed the play button on the tape recorder, they heard the man’s voice saying he couldn’t go on and life was meaningless. Then there was a sound of a gunshot. Upon hearing this, the police knew that it was not a suicide, but a murder. How did they know?1 2 3 4 5Answer: If it had been a suicide, he wouldn’t have been able to rewind the cassette to the beginning.The Unfaithful Wife: A woman shoots her husband, then holds him underwater for five minutes. Next, she hangs him. Right after, they enjoy a lovely dinner. Explain how this is possible.1 2 3 4 5Answer: The woman shot her husband with a camera, then developed the photo in her darkroom before hanging it up to dry1.The Silent Killer: A man is found murdered on a Sunday morning. His wife calls the police immediately. The police question the wife and staff and are given the following alibis: The wife says she was sleeping, the cook says he was cooking breakfast, the gardener says he was planting seeds, the maid says she was getting the mail, and the butler says he was polishing the silverware. The police arrest the killer. Who did they arrest and why?1 2 3 4 5Answer: The maid. There is no mail on Sundays.The Stolen Car: A car thief is caught stealing a car with a valuable briefcase in it. The thief didn’t know about the briefcase’s contents. The next day, the thief is found dead, and the briefcase is missing. The police find a note the thief left, which reads: “Not Penny’s Boat.” What does the note mean?1 2 3 4 5Answer: The thief was indicating that someone named Penny was not involved. The police should look for someone who had a motive to steal the briefcase and knew about its contents.