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      Question

      Statements: Some woods are tables. All

      tables are teaks. No teak is a chair. Conclusions: I. Some woods are teaks. II. Some woods are not chairs. III. Some tables are not chairs. In each question below are given three statements followed by three conclusions numbered I, II and III. You have to take the two 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 two given statements, disregarding commonly known facts.
      A Only III follows Correct Answer Incorrect Answer
      B Only I and III follows Correct Answer Incorrect Answer
      C Only II and III follows Correct Answer Incorrect Answer
      D All I, II and III follows Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Some woods are tables (I) + All tables are teaks (A) ⇒ Some woods are teaks (I) + No teak is a chair(E) ⇒ Some woods are not chairs(O) . Hence, conclusion I and II follows. All tables are teaks(A) + No teak is a chair(E) ⇒ No table is a chair(E) ⇒ Conversion ⇒ Some tables are not chairs(O). Hence, conclusion III follows. Alternate Method: Minimum possibility:

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