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 streams are rivers.
Some rivers are oceans.
Conclusions:
I. Some streams are oceans.
II. All rivers are oceans.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Neither conclusion I nor II follows.
The possible diagram is as follows:
Conclusions:
I. Some streams are oceans → Does not follow → As, some streams are rivers and some rivers are oceans. So some streams are oceans is not definitely follow.
II. All rivers are oceans → Does not follow → As, some streams are rivers and some rivers are oceans. So all rivers are oceans is not definitely follow.
Hence, the correct answer "Neither conclusion I nor II follows".