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Statements: Only a few pens are red. No red is blue. Conclusions: I. Some pens are not blue.
II. All pens are blue. Which of the conclusions follow(s)?

Competition practiceSyllogism
  • AOnly conclusion II follows
  • BBoth conclusions follow
  • COnly conclusion I follows
  • DNeither conclusion follows

Step-by-Step Solution

Some pens are red and no red is blue, so those red pens are not blue, i.e. some pens are not blue (I); this contradicts II.
Answer: C) Only conclusion I follows

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