Beach Day by Rodger Bliss
September 2020
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The Devil is in the Details

devil
What is the 4-digit number (no zeros) in which the first and last digits are the same, the second digit is half the sum of the second and the fourth, and the last digit is half the sum of the first and third?

(the sum of all digits is 24).

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2 guesses to The Devil is in the Details


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  • Brent, you are today’s winner!
    6,666 is the answer.