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:
All snakes are crocodiles.
All crocodiles are turtles.
All birds are crocodiles.
Conclusions:
I. All snakes are turtles.
II. All birds are turtles.
III. Some snakes are birds.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2, i.e., Only conclusions I and II follow.
The possible Venn diagram is,
Conclusions:
I. All snakes are turtles.: Follows (As all snakes are crocodiles and all crocodiles are turtles, so all snakes are turtles is true).
II. All birds are turtles.: Follows (As all birds are crocodiles and all crocodiles are turtles, so all birds are turtles is true).
III. Some snakes are birds.: Doesn't follow (As there is no direct relation between the elements)