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Sunday Times Teaser 3158 – Digital Trio

by BRG on March 31, 2023

by Danny Roth

Published Sunday April 02 2023 (link)

“I have a couple of subtraction problems for you”, George told Martha.

Look: N1 – N2 = N3 and N3 – N4 = N5.

Can you solve them if I tell you that N1, N3 and N5 are all three-digit whole numbers whose sum is less than 2000, the same three non-zero digits appearing in all three numbers but no digit being repeated within any of those numbers? N2 and N4 are both two-digit whole numbers using two of the three digits mentioned above, and the first digit of N1 is not equal to the first digit of N2.

What is N1?

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  1. Brian Gladman permalink

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