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This is definitely one of the harder number puzzles on this site. A teacher says: I'm thinking of two............

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This is definitely one of the harder number puzzles on this site.
A teacher says: I'm thinking of two natural numbers greater than 1. Try to guess what they are.
The first student knows their product and the other one knows their sum.
First: I do not know the sum.
Second: I knew that. The sum is less than 14.
First: I knew that. However, now I know the numbers.
Second: And so do I.
What were the numbers?

posted Oct 15, 2014 by Madhavi Latha

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