Everyday Einstein – 6.22.2010

June 22, 2010 at 5:49 pm Leave a comment

From Puzzles 101 by Nobuyuki Yoshighara. Don’t let the title mislead you – these puzzles are anything but beginner level!

“If you add up the nine numbers 1 – 9,  you get 45. If you multiply the numbers 1-9, you get 362,880. Now suppose I have nine one-digit numbers. If I add all nine numbers and get 45, and if I multiply all nine numbers and get a product  of 362,880, can I say that the numbers I have are 1,2,3,4,5,6,7,8, and 9?”

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Everyday Einstein – 6.18.2010 Everyday Einstein – 6.23.2010

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