Three statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.
Statements:
All dogs are sheep.
All wolves are foxes.
All sheep are wolves.
Conclusions:
I. All wolves are sheep.
II. All dogs are foxes.
III. All dogs are wolves.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Only conclusions II and III follow.
The least possible Venn diagram is shown below:
Conclusions:
I. All wolves are sheep: Does not follow (It is possible but not definite)
II. All dogs are foxes: Follows (As all dogs are sheep, all sheep are wolves and all wolves are foxes)
III. All dogs are wolves: Follows (As all dogs are sheep and all sheep are wolves)