Revelian Test Deductive Reasoning 3

Question 1

Only employees with ID badges may enter the building. Sam entered the building. What must be true?

Accepted Answer

Sam has an ID badge

Answer

Since only ID badge holders may enter, Sam's entry proves he has an ID badge.

Question 2

All top performers receive bonuses. No interns receive bonuses. What can be concluded?

Accepted Answer

No interns are top performers

Answer

Since all top performers get bonuses but no interns get bonuses, no intern can be a top performer.

Question 3

If a customer complains, a refund is issued. A refund was not issued to Customer Y. What follows?

Accepted Answer

Customer Y did not complain

Answer

Contrapositive: if no refund was issued, the customer did not complain.

Question 4

Some contracts are binding. All binding contracts require a signature. Which must be true?

Accepted Answer

Some contracts require a signature

Answer

The binding contracts (a subset) require signatures, so at least some contracts require a signature.

Question 5

Every city with a subway has public transport. City A has no public transport. What can be deduced?

Accepted Answer

City A has no subway

Answer

By contrapositive, a city without public transport cannot have a subway.

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