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Direction : In the following question, three statements are given. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide…

Question and options

Direction : In the following question, three statements are given. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts
Statements: All oceans are rivers. Some springs are rivers. All wells are springs.
Conclusion: I. Some springs are oceans. II. Some wells are rivers.
III. Some rivers are oceans. IV. No well is river.
  1. Only either I or III and IV follow
  2. Only either II or IV and III follow
  3. All follow
  4. Only either II or IV and I follow

Answer and explanation

Correct answer: B - Only either II or IV and III follow
All oceans are rivers, so some rivers are oceans: III follows. Wells-rivers is uncertain, so II and IV form an either-or pair. I does not follow. Answer: either II or IV, and III.

Practice for these exams

  • CUSAT CAT LLM

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