AON Deductive Reasoning 3

Question 1

Some doctors are researchers. All researchers publish papers. Which conclusion must be true?

Accepted Answer

Some doctors publish papers

Answer

The doctors who are also researchers must publish papers, so some doctors publish papers.

Question 2

All flights departing after 9 PM require a gate change. Flight 202 requires a gate change. What can be deduced?

Accepted Answer

Flight 202 may depart at any time

Answer

Gate changes can occur for reasons beyond a 9 PM departure, so the departure time cannot be determined.

Question 3

No projects over budget are approved. Project Gamma was approved. What follows?

Accepted Answer

Project Gamma is not over budget

Answer

Since approved projects cannot be over budget, Gamma must not be over budget.

Question 4

All team leaders attended the workshop. None of the interns attended the workshop. What can be concluded?

Accepted Answer

No interns are team leaders

Answer

Team leaders all attended; interns none attended — so these groups are mutually exclusive.

Question 5

If a vehicle passes inspection, it receives a sticker. Vehicle A has no sticker. What must be true?

Accepted Answer

Vehicle A did not pass inspection

Answer

By contrapositive, no sticker means the vehicle did not pass inspection.

AON - Assessment Practice Test