A positive integer is divisible by 3 if and only if the sum of its digits is divisible by 3. If the six-digit integer is divisible by 3, and n is of the form 1k2,k24, where k represents a digit that occurs twice, how many values could n have?
A. 2
B. 3
C. 4
D. 5
E. 10
A. 2
B. 3
C. 4
D. 5
E. 10
Last edited by richachampion on Thu Dec 08, 2016 3:59 pm, edited 1 time in total.
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