Two statements are given , followed by two conclusions numbered I and II. 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 statements.
Statements:
All wolf are dogs.
All dogs are jackals.
Conclusions:
I. All wolf are jackals.
II. All jackals are wolfs.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Only conclusion I follow.
Conclusion:
I. All wolfs are jackals → Follows (It is clear from the Venn diagram as "All wolfs are dogs and all dogs are jackals" so the all wolfs are jackals)
II. All jackals are wolfs → Does not follow (It is not possible from the Venn diagram as "All wolf are dogs and all dogs are jackals" so the all jackals are not wolfs)