Statement: Some birds are goats. Some goats are horses. Some horses are lions. Some lions are tigers. Conclusions: I. Some tigers are goats. II. No tiger is goat. III. Some lions are birds. IV. No lion is bird.
Correct Answer: Only either I or II and either III or IV follow
Explanation:
I- type statements can't be combined. However, II and II from a complementary I-E pair. So do III and IV Hence either I or II and either III or IV follows.
