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Choose the number that 11 divides exactly.

A2,728
B2,718
C2,738
D2,748
Answer & Solution
Correct answer: A. 2,728
The alternating sum of 2,728 is 2 - 7 + 2 - 8 = -11, a multiple of 11. The other numbers give -12, -10 and -9.
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