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:
Some rivers are oceans.
All oceans are beaches.
Conclusions:
I. Some rivers are beaches.
II. All oceans are rivers.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Only conclusion I follows.
The least possible Venn Diagram will be:
Conclusion:
I. Some rivers are beaches. ⇒ True (As some beaches are rivers so some rivers are beaches are definitely true.)
II. All oceans are rivers. ⇒ False (It is a possibility but not definite.)