Some tapes are discs. Some discs are cassettes. Some cassettes are songs Conclusions: 1. Some songs are discs 2. Some cassettes are tapes 3. Some songs are tapes 4. No song is a disc

Some tapes are discs. Some discs are cassettes. Some cassettes are songs Conclusions: 1. Some songs are discs 2. Some cassettes are tapes 3. Some songs are tapes 4. No song is a disc Correct Answer Only either 1 or 4 follows

Since each combiantion of premise contain 2 particular premises, no definite conclusion can be drawn. However, 1 and 4 involve the extreme terms of 2nd and 3rd premises and form a complementary pair. Thus either 1 or 4 follows.

Related Questions

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.