Every member of the chess club is a good student. Ali is a good student. Therefore, Ali is a member of the chess club. The flaw in this reasoning is that it:

  1. attacks a person instead of the argument
  2. relies on an authority
  3. uses too small a sample
  4. treats a sufficient condition as a necessary one
Answer

D) treats a sufficient condition as a necessary one

Being a good student does not imply club membership (reversal). Advanced Verbal (GRE, GMAT, SAT) · Critical reasoning

English MCQ · More English: Advanced Verbal (GRE, GMAT, SAT) MCQs · Practise