Statements : Some tapes are discs. Some discs are cassettes. Some cassettes are songs.

Conclusions :
I. Some songs are discs.
II. Some cassettes are tapes.
III. Some songs are tapes.
IV. No song is a disc.
  • 1Only either I or IV follows
  • 2Only either II or IV follows
  • 3Only III and IV follow
  • 4Only III and either II or IV follows
Answer:- 1
Explanation:-

Solution:
Since each combination of premises shall contain two particular premises, no definite conclusion can be drawn. However, I and IV involve the extreme terms of the second and third premises and form a complementary pair. Thus, either I or IV follows.

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