Very hard

Every guide accompanies a ranger who is trained. No trained ranger is inexperienced. Some inexperienced people are guides. Which conclusion must follow?

Correct answer: A. Some guides accompany a ranger who is not inexperienced.

  • A. Some guides accompany a ranger who is not inexperienced.
  • B. Every ranger accompanies an inexperienced guide.
  • C. Some guides are trained.
  • D. No guide accompanies a ranger.

Explanation

An inexperienced guide exists, and every guide accompanies a trained ranger. No trained ranger is inexperienced, so the ranger accompanying that guide is not inexperienced.

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About Logical Deductions

Logical deductions require conclusions to be drawn from stated facts, conditions and relationships without adding outside information. The work includes handling all, some and none statements, necessary and sufficient conditions, ordering restrictions, true or false conclusions, and the difference between what must be true and what could be true.

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