Five ...Read more
Five contestants are standing on stage facing the audience.
Anthony and Melvin are not beside Ben.
Max has no one to his right.
Paul is between Ben and Melvin.
Can you name the contestants from left to right.
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You are ...Read more
You are given a room with three light switches outside of the room.
Each switch corresponds to one of three light bulbs inside the room. You can turn the switches on and off as many times as you want, but you can only enter the room once.
How can you determine which switch corresponds to which light bulb?
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You have six glasses, all of which are initially empty.
You can perform two types of operations: you can either pour a glass of water into another glass, or you can empty a glass entirely.
Is it possible to end up with exactly three glasses each containing two units of water?
If so, how can you achieve this?
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You have a 3-gallon jug and a 5-gallon jug. Your task is to measure out exactly 4 gallons of water using these jugs. You can fill, empty, and transfer water between the jugs as much as you want, but you can’t pour water into any other container.
How can you measure out exactly 4 gallons of water using only these two jugs?
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You find yourself trapped in a room with a time bomb set to go off in exactly 45 minutes. The bomb is located in a safe, but you don’t know the combination. You notice two ropes hanging from the ceiling, and a note nearby that reads:
“These are the only two ropes in the room. Each rope burns from one end to the other in exactly 60 minutes, but the rate of burning is not uniform. One half of the rope may burn in only 10 minutes, while the other half takes 50 minutes to burn. You must use these ropes and a lighter to measure exactly 45 minutes. Good luck!”
With the clock ticking, you frantically try to figure out how to use the ropes to measure exactly 45 minutes and disarm the bomb before it’s too late.
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