medium · GMAT Verbal

If the statements above are true, which of the following must also be true?

1. Some people the company hired this year speak at least two languages.
2. Everyone the company hired this year works in the marketing department.
3. Everyone who speaks at least two languages works in the marketing department.
4. No one outside the marketing department speaks two languages.
5. The marketing department hired more people this year than any other department.

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