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Digit and Place-Value Representation
Grade Level
GMAT
Q.029 Digit and Place-Value Representation
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Let a, b, and c be digits, with a and c nonzero. Which expression represents the average of the three-digit integer abc and its reversal cba?
A
(99(a + c) + 20b)/2
B
(101(a + c) + 20b)/2
C
(100(a + c) + 10b)/2
D
(101(a - c) + 20b)/2
E
101(a + c) + 20b
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