There are 27 different three-digit integers that can be formed using only the digits 1, 2 and 3. If all 27 of the intege

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There are 27 different three-digit integers that can be formed using only the digits 1, 2 and 3. If all 27 of the integers were listed, what would their sum be?

A. 2,704
B. 2,990
C. 5,404
D. 5,444
E. 5,994

Answer: E

Source: GMAT Prep
Source: — Problem Solving |