Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
All radios are electronic items.
Some speakers are electronic items.
Conclusions:
I. No radio is a speaker.
II. Some radios are speakers.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Either conclusion I or II follows.
The least possible Venn Diagram for the given statements is drawn below:

Conclusions:
I. No radio is a speaker → False (It is possible but no definite conclusion can be drawn.)
II. Some radios are speakers → False (It is possible but no definite conclusion can be drawn.)
But, conclusions I and II are complementary to each other, so, either of them follows.