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 follow(s) from the statements.
Statements:
All gels are boats.
All pumps are boats.
All boats are ships.
Conclusions:
I. All pumps are ships.
II. All ships are gels.
III. Some ships are pumps.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Only conclusions I and III follow.
The least possible Venn Diagram for the given statements is drawn below:

Conclusions:
I. All pumps are ships → True (As all pumps are boats, and all boats are ships, so, all pumps are boats is also true.)
II. All ships are gels → False (It is possible, but no definite conclusion can be drawn.)
III. Some ships are pumps → True (As all pumps are boats, and all boats are ships, so, some ships are pumps is also true.)
Hence, Only conclusions I and III follow.