Read the given statements and conclusions carefully. Assuming that the information given in the statement 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 rats are dogs.
Some rats are hens.
Conclusions:
I. Some rats are dogs.
II. Some hens are rats.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Only conclusion II follows.
The least possible Venn Diagram for the given statements is drawn below:

Conclusions:
I. Some rats are dogs → False (It is possible but no definite conclusion can be drawn.)
II. Some hens are rats → True (As some rats are hens, so the reverse is also true.)
Hence, Only conclusion II follows.