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 the statements.
Statements:
All notebooks are erasers.
All erasers are pens.
Conclusions:
I. All notebooks are pens.
II. Some pens are notebooks.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Both conclusions I and II follow
The least possible diagram is shown below:
Conclusions:
I. All notebooks are pens: Follows (As all notebooks are erasers and all erasers are pens. So, all notebooks are pens)
II. Some pens are notebooks: Follows (As all notebooks are erasers and all erasers are pens. So, some pens are definitely notebooks)