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 crows are parrots.
All eagles are parrots.
All parrots are birds.
Conclusions:
I. No crow is a bird.
II. Some birds are eagles.
III. All birds are crows.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. Only conclusion II follows.
Conclusions:
I. No crow is a bird. - Does not follow (because All crows are parrots and All parrots are birds. So, it is false)
II. Some birds are eagles. - Follows (because All eagles are parrots and All parrots are birds. So, Some birds are eagles too)
III. All birds are crows. - Does not follow (because All crows are parrots and All parrots are birds. So, it is false)