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:
Some dogs are bulls.
All bulls are donkeys.
Conclusions:
I. All dogs are donkeys.
II. Some donkeys are dogs.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. Only conclusion II follows.
The least possible Venn Diagram for the given statements is drawn below:
Conclusions:
I. All dogs are donkeys → False (It is possible but not definite).
II. Some donkeys are dogs → True (As some dogs are bulls and all bulls are donkeys, so definitely some donkeys are dogs).
Hence, Only conclusion II follows.