easy · GMAT Quantitative Reasoning
Which of the following correctly states the rule for divisibility by 9?
- The last two digits must form a number divisible by 9
- The number must be even and divisible by 3
- The last digit of the number must be 9
- The sum of the number's digits must be divisible by 9
- The number must be divisible by both 3 and 4
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