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You have the misfortune to own an unreliable clock. This one loses exactly 24 minutes every hour. It is now showing 3:00am and you know that is was correct at midnight, when you set it. The clock stopped 1 hour ago, what is the correct time now?
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January Brain Teaser Solution:
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A dragon captures two scientists, A & B, for dinner and tells them that he will set them free if they can both guess the age of his two children. He tells scientist (A) the product of their ages and scientist (B) the sum. They are not allowed to tell each other any numbers. The two scientists get together and have the following conversation:
Scientist A: I don’t know.
Scientist B: Me neither.
Scientist A: Now I know!!!
Scientist B: Me too!!!
How old are the dragon’s kids?
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Answer: The children are aged 1 and 2. Since the scientists could say anything except for any numbers, the conversation could have gone like this:
Scientist A: I know that the product is a prime number.
Scientist B: I know the sum is an odd number.
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