Three statements are given, followed by three conclusions numbered I, II and III. 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(s) from the statements.
Statements:
All threads are needles.
Some needles are brushes.
All needles are cupboards.
Conclusions:
I. Some brushes are cupboards.
II. All threads are cupboards.
III. All brushes are threads.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Only conclusions I and II follow.
Conclusions:
I. Some brushes are cupboards. - Follows (because Some needles are brushes and All needles are cupboards. So, Some brushes are cupboards too)
II. All threads are cupboards. - Follows (because All threads are needles and All needles are cupboards. So, All threads are cupboards too)
III. All brushes are threads. - Does not follow (It can be possible but not definite)