Divisblilty by 7 DS

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Divisblilty by 7 DS

by mihai9 » Thu Nov 09, 2017 10:22 am
three consecutive odd postivie integers, will at least one 3-digit number that you can arranged using them that divisible by 7? (eg. 375 or 735 or ...)
Condition 1: x + y + z divisible by 7
Condition 2: product of the 3 values xyz is divisible by 7