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Discussion

Statements: Some envelops are gums. Some gums are seals. Some seals are adhesives.

Conclusions:

1. Some envelopes are seals.

2. Some gums are adhesives.

3. Some adhesives are seals.

4. Some adhesives are gums.

  • A.Only (3)
  • B.Only (1)
  • C.Only (2)
  • D.Only (4)

Answer: A

Correct answer: Only (3)

Some seals are adhesives gives its converse, some adhesives are seals - conclusion 3. Every other conclusion has to cross two particular statements, and the middle terms in them need not be the same things.

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