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Question:

Which of the following numbers is divisible by 3?

A 85,019,457
Explaination

If the sum of the digits of a number is divisible by 3, then the number itself is divisible by 3. 8 + 5 + 0 + 1 + 9 + 4 + 5 + 7 = 39. 39 divided by 3 is 13 with no remainders, so the number is divisible by 3.