easy · GMAT Quantitative Reasoning

Is 1,002 divisible by 3, and why?

1. No, because 1,002 is an even number and even numbers cannot be divisible by 3.
2. Yes, because it ends in a digit, 2, that is itself evenly divisible by 2.
3. Yes, because absolutely every number that ends in the digit 2 is divisible by 3.
4. Yes, because the sum of its digits, 1 + 0 + 0 + 2 = 3, is divisible by 3.
5. No, because the number 1,002 does not end in the digit 3, 6, or 9.

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