CJBAT Logical Reasoning 3 — Questions and Answers
Question 1: A, B, and C finished a race in order with no ties. A finished before B, and B finished before C. Who finished last?
- C (Correct answer)
- A
- B
- Cannot be determined
Correct answer: C
A before B before C places C last.
Question 2: All thefts in the case occurred at night. This theft occurred at noon. What can be concluded?
- This theft is not part of the case (Correct answer)
- This theft is the biggest
- All thefts occur at noon
- Night thefts stopped
Correct answer: This theft is not part of the case
A noon theft contradicts the all-night pattern, so it is not part of the case.
Question 3: If the witness is reliable, the testimony is admitted. The testimony was not admitted. What follows?
- The witness is not reliable (Correct answer)
- The witness lied
- The testimony was true
- The case closed
Correct answer: The witness is not reliable
Contrapositive: no admission means the witness was not reliable.
Question 4: Three officers — Lee, Mora, Patel — each work one shift: day, swing, night. Lee works night. Mora does not work day. Which is true?
- Mora works swing and Patel works day (Correct answer)
- Mora works day
- Patel works night
- Lee works day
Correct answer: Mora works swing and Patel works day
Lee takes night, Mora cannot take day so takes swing, leaving day for Patel.
Question 5: Some calls are emergencies. No emergencies are ignored. Which conclusion is valid?
- Some calls are not ignored (Correct answer)
- All calls are ignored
- No calls are emergencies
- All emergencies are calls
Correct answer: Some calls are not ignored
Emergency calls cannot be ignored, so some calls are not ignored.
Question 6: If the budget passes, then overtime is approved, and if overtime is approved, then hiring begins. The budget passed. What follows?
- Hiring begins (Correct answer)
- Hiring stops
- Overtime is denied
- The budget failed
Correct answer: Hiring begins
Chaining the conditionals, a passed budget leads to hiring.
Question 7: No rookies are assigned to homicide. Officer Tan is assigned to homicide. What is true of Tan?
- Tan is not a rookie (Correct answer)
- Tan is a rookie
- Tan was demoted
- Tan quit
Correct answer: Tan is not a rookie
Since rookies aren't in homicide and Tan is, Tan is not a rookie.
CJBAT Logical Reasoning 3
A, B, and C finished a race in order with no ties.
A finished before B, and B finished before C.
Who finished last?