Logical Reasoning
PrepTest 109 Section 1 Explanations
PrepTest 109 Section 1 is a Logical Reasoning section with 25 questions. It covers Weaken, Necessary Assumption, and Flaw questions, spanning difficulty 1–5 of 5. Each explanation breaks down the right answer, the wrong-answer traps, and what to practice next.
- 1Marmosets are the only primates
- 2Sheila: It has been argued
- 3Juan: Unlike the ancient Olympic
- 4Juan: Unlike the ancient Olympic
- 5A recent national study of
- 6A recent national study of
- 7Consultant: Most workers do not
- 8Few animals brave the midday
- 9The same task triggers different
- 10Art historian: Great works of
- 11Researchers have discovered that caffeine
- 12A nationwide poll of students,
- 13Ethicist: Studies have documented the
- 14After the United Nations Security
- 15People who are good at
- 16Notice to subscribers: In order
- 17Expert witness: Ten times, and
- 18The use of space-based satellites
- 19Historian: The spread of literacy
- 20Recently discovered prehistoric rock paintings
- 21Attacks on an opponent’s character
- 22Lawyer: Did Congleton assign the best
- 23An air traveler in Beijing
- 24Supervisor: Our next budget proposal
- 25The number of airplanes equipped