Which of the following numbers is divisible by 11?
A. 4832719
B. 4832871
C. 4832718
D. 4823718
A. 4832719
B. 4832871
C. 4832718
D. 4823718
Best answer
Answer: C. 4832718
Answer: (C) 4832718
Rule: a number is divisible by 11 if the difference between the sums of its alternate digits is 0 or a multiple of 11.
4832718: (8 + 7 + 3 + 4) − (1 + 2 + 8) = 22 − 11 = 11, a multiple of 11. None of the other options gives 0 or a multiple of 11 (for example 4832719: 23 − 11 = 12).
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