In this question, three 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 follows/follow from the statements.
Statements:
All fans are bulbs.
All bulbs are tube lights.
Some tube lights are new.
Conclusions:
I. All fans are new.
II. All tube lights are fans.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. Neither conclusion I nor II follows.
The least possible Venn Diagram for the given statements is drawn below:
Conclusions:
I. All fans are new → False (It is possible, but no definite conclusion can be drawn.)
II. All tube lights are fans → False (It is possible, but no definite conclusion can be drawn.)
Hence, Neither conclusion I nor II follows.