AON Deductive Reasoning 4 — Questions and Answers
Question 1: Statement: 'Only experienced candidates are interviewed.' Mark was interviewed. What follows?
- Mark is experienced (Correct answer)
- Mark may not be experienced
- Mark was hired
- Mark has a degree
Correct answer: Mark is experienced
'Only experienced candidates are interviewed' means being interviewed requires experience, so Mark must be experienced.
Question 2: All widgets in Batch A are defective. Widget #7 is not defective. What must be true?
- Widget #7 is in Batch A
- Widget #7 is not in Batch A (Correct answer)
- Widget #7 passed quality control
- Batch A has no defective widgets
Correct answer: Widget #7 is not in Batch A
Since all Batch A widgets are defective and #7 is not defective, it cannot be in Batch A.
Question 3: If the server is down, users cannot log in. Users can log in. What follows?
- The server is definitely up (Correct answer)
- The server may be down
- The server is being repaired
- Users are bypassing the server
Correct answer: The server is definitely up
By contrapositive, if users can log in, the server is not down — meaning it is up.
Question 4: Some analysts are also programmers. All programmers know Python. Which must be true?
- All analysts know Python
- Some analysts know Python (Correct answer)
- No analysts know Python
- All programmers are analysts
Correct answer: Some analysts know Python
The analysts who are programmers must know Python, making it true that some analysts know Python.
Question 5: No contract employees receive bonuses. Janet received a bonus. What can be concluded?
- Janet is a contract employee
- Janet is not a contract employee (Correct answer)
- Janet earned the bonus unfairly
- Contract employees sometimes get bonuses
Correct answer: Janet is not a contract employee
Since contract employees never receive bonuses and Janet did, she must not be a contract employee.
Question 6: All red lights mean stop. The driver did not stop. What can be deduced?
- The light was red
- The light was not red (Correct answer)
- The driver ignored a red light
- The light was yellow
Correct answer: The light was not red
By contrapositive, if the driver did not stop, the light was not red.
Question 7: Either the budget is cut or the timeline is extended. The budget was not cut. What must follow?
- The timeline remains unchanged
- The timeline is extended (Correct answer)
- A new budget is created
- The project is cancelled
Correct answer: The timeline is extended
When one option in an either/or is eliminated, the other must hold.
AON Deductive Reasoning 4
Statement: 'Only experienced candidates are interviewed.' Mark was interviewed.
What follows?