A detective looks at a crime scene in a sealed room with no windows. The victim is found slumped over a desk, and a puddle of water surrounds the chair. There are no tools, weapons, or entry points. How did the victim die?
He hung himself standing on a large block of ice that melted into the puddle.
The victim used a frozen block of ice to reach the ceiling or rope. Over time, the ice melted completely away, leaving only the water puddle and explaining the absence of furniture or support tools.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Medium. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
More logic riddles
In a hallway, 100 closed lockers numbered 1 to 100 undergo 100 passes. On pass 1, every locker is toggled (opened). On pass 2, every 2nd locker is toggled. On pass 3, every 3rd locker is toggled, continuing this pattern until pass 100 where only locker 100 is toggled. After all passes, which lockers remain open?
A detective interrogates three suspects in a robbery. Al says, 'Bob did it and Carl is innocent.' Bob says, 'If Al is guilty, then Carl is guilty.' Carl says, 'I am innocent, but at least one of the other two is guilty.' If all statements made by innocent people are true, and all statements made by the guilty person are false, who committed the robbery?
A row goes: butterfly, butterfly, tulip, butterfly, butterfly, tulip, butterfly, butterfly. What comes next?
In a family of four, the mother is three times as old as her daughter. In 12 years, the mother will be twice as old as her daughter. How old is the daughter right now?
In a secure facility, a password must be formed using four distinct non-zero digits. The second digit is double the first. The third digit is the sum of the first two. The fourth digit is the difference between the third and the first. What is the password?
A row goes: snowman, snowman, mitten, snowman, snowman, mitten, snowman, snowman. What comes next?

