Verbal Reasoning: Logic Flashcards

Premise 1: All mission-critical tasks are reviewed by a supervisor. Premise 2: Task 7 was not reviewed by a supervisor. Conclusion:

Answer: Task 7 is not mission-critical

Contrapositive of Premise 1: if not reviewed by a supervisor, then not mission-critical—so Task 7 is not mission-critical.

Some logistics officers are also interpreters. No interpreter works alone in the field. What can be concluded?

Answer: Some logistics officers do not work alone in the field

The logistics officers who are also interpreters cannot work alone, so some logistics officers do not work alone.

If a country ratifies the treaty, it must comply with Article 5. Namibia complied with Article 5. What follows?

Answer: Nothing certain can be concluded about Namibia's ratification

Compliance with Article 5 is a necessary condition of ratification but not sufficient to prove it; Namibia may have complied for other reasons.

All budget proposals require board approval. Some projects have approved budget proposals. Therefore:

Answer: Some projects received board approval

Projects with approved budget proposals must have gone through board approval, so some projects received it.

Statement: Whenever there is a ceasefire violation, the UN issues a formal warning. A formal warning was NOT issued. Conclusion:

Answer: There was no ceasefire violation

By contrapositive, no warning means no ceasefire violation occurred.

No candidate scoring below 70% is promoted. Carlos was promoted. Which is certain?

Answer: Carlos scored 70% or above

Since only candidates at 70% or above can be promoted, Carlos must have scored at least 70%.

All peacekeepers follow rules of engagement. Some personnel in the conflict zone do not follow rules of engagement. What follows?

Answer: Some personnel in the conflict zone are not peacekeepers

Those in the conflict zone who don't follow rules of engagement cannot be peacekeepers, so some conflict-zone personnel are not peacekeepers.