• Reasoning Ability - Syllogisms
Question


Statements: All aeroplanes are trains.

                    Some trains are chairs.

Conclusions:

I.Some aeroplanes are chairs.
II.Some chairs are aeroplanes.
III.Some chairs are trains.
IV.Some trains are aeroplanes

  • A) None follows
  • B) Only I and II follow
  • C) Only II and III follow
  • D) Only III and IV follow
  • E) Only I and III follow
Solution

Ans.Option D

Explanation:

Since the middle term 'trains' is not distributed even once in the/premises, no definite conclusion follows. However, III is the converse of the second premise while IV is the converse of the first premise. So, both of them hold.

Ans.Option D

Explanation:

Since the middle term 'trains' is not distributed even once in the/premises, no definite conclusion follows. However, III is the converse of the second premise while IV is the converse of the first premise. So, both of them hold.
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