Machine-translated by Google. Questions are authored in English.
Top

Discussion

Statements: Some keys are staplers. Some staplers are stickers. All the stickers are pens.

Conclusions:

1. Some pens are staplers.

2. Some stickers are keys.

3. No sticker is key.

4. Some staplers are keys.

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

Answer: D

Correct answer: Only (1) and (4) and either (2) or (3)

Some staplers are stickers and all stickers are pens, so some pens are staplers - conclusion 1; and some keys being staplers gives some staplers are keys, conclusion 4. Conclusions 2 and 3 concern stickers and keys, which the statements leave open - but between them they cover both possibilities, so either holds.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.