Mensa IQ Test Mensa IQ Syllogisms and Logical Arguments 4

Question 1

All writers are readers. No readers are illiterate. Therefore:

Accepted Answer

No writers are illiterate

Answer

Some writers are illiterate

Answer

All illiterate people are writers

Answer

Some readers are writers

Question 2

Argument: 'You should agree with me because everyone in our town does.' This is which fallacy?

Accepted Answer

Ad populum (appeal to the crowd)

Answer

Ad hominem

Answer

Straw man

Answer

False dilemma

Question 3

Premise: If P then Q. Premise: P is true. What can we conclude?

Accepted Answer

Q is true

Answer

P is false

Answer

Q is false

Answer

Nothing can be concluded

Question 4

No herbivores eat meat. Cows are herbivores. Zebras are herbivores. Which MUST be true?

Accepted Answer

Neither cows nor zebras eat meat

Answer

Cows eat meat

Answer

Zebras eat meat

Answer

Some herbivores eat meat

Question 5

'Since we allow people to drive at 16, we should allow them to vote at 16.' This argument uses:

Accepted Answer

Argument from analogy

Answer

Ad hominem

Answer

Slippery slope

Answer

Circular reasoning

Question 6

All A are B. All B are C. No C are D. Which conclusion is valid?

Accepted Answer

No A are D

Answer

Some A are D

Answer

All D are A

Answer

Some C are A

Question 7

Argument: 'You're wrong about climate change — you're not even a scientist.' This is which fallacy?

Accepted Answer

Ad hominem (attacking the person)

Answer

Straw man

Answer

False cause

Answer

Appeal to authority