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Archive for October 10, 2008

October Problem of the Month


A)   Each of the variables x, y, and z, stands for a unique

natural number from 1 thru 9 inclusive.


B)  The following, therefore, represents a number in the millions place: 3,x2y,1z3


C)  This number:  3,x2y,1z3   is divisible by 9.


Question:  List three other 7-digit numbers containing all of these

same digits:  3, x, 2, y, 1, z, and 3   that are also divisible by 9?



To get credit, you must not only provide the correct

answer, you must also explain your reasoning.