Brainteasers are a great way to stretch the mind and push one of the body’s most important organs to its limits.
They can come in many different forms, they can be analytical, observational, or mathematical while they can be made by anyone. What’s more, some experts believe they could have long-term benefits by keeping the mind healthier for longer.
And here at the Express, we love a good brainteaser. But this time we decided to ask AI to design the hardest brainteaser it could come up with – and it didn’t disappoint.
The AI we chose was OpenAI’s ChatGPT.
Since it was launched nearly a year ago, the programme has been used by millions of people to write cover letters, essays, jokes, and as a digital agony aunt.
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When we asked it to come up with the hardest brainteaser it could think of, this is what it returned.
It said: “Two Doors and Two Guards:
“You find yourself in a strange land with two doors. One door leads to untold riches and freedom, while the other leads to certain death. There are two guards, one in front of each door.
“One guard always tells the truth, and the other always lies. You don’t know which is which, and you don’t know which door is which.
“You can ask one guard one question to determine which door to choose. What question do you ask? This brainteaser requires careful consideration and logical thinking. The solution hinges on asking a question that will reveal the correct door, regardless of whether you’re speaking to the truthful guard or the lying guard. Good luck!”
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Were you able to solve this brainteaser? No worries if not, the answer is below.
ChatGPT said: “To solve the “Two Doors and Two Guards” brainteaser, you should ask the following question to either guard:
“Question: “If I were to ask the other guard which door leads to freedom, what would he say?”
“Here’s what happens.
“If you ask the truthful guard, he will truthfully tell you what the lying guard would say. So, he’ll tell you the door that leads to certain death.
“If you ask the lying guard, he will lie about what the truthful guard would say. So, he’ll also tell you the door that leads to certain death.
“In either case, you should choose the opposite door. This way, you’ll end up choosing the door to freedom. Keep in mind that this is a classic logic puzzle where the solution depends on creating a situation where the answer doesn’t change based on whether the guard you ask tells the truth or lies.”
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