Mensa Mensa IQ Deductive Reasoning Puzzles Questions and Answers 3

Question 1

All glurps are snorfs. No snorfs are blimps. Therefore, which conclusion must be true?

Accepted Answer

No glurps are blimps

Answer

Since all glurps are snorfs and no snorfs are blimps, it follows that no glurps can be blimps.

Question 2

Four friends — Ana, Ben, Cal, and Dee — each own a different pet: cat, dog, fish, or bird. Ana doesn't own a dog or fish. Ben owns the bird. Cal doesn't own a cat. Who owns the fish?

Accepted Answer

Cal

Answer

Ben has the bird; Ana can only have a cat; Cal can't have a cat so Cal has the fish; Dee gets the dog.

Question 3

If the statement 'All poets are dreamers' is true, which of the following must also be true?

Accepted Answer

If someone is not a dreamer, they are not a poet

Answer

The contrapositive of 'All poets are dreamers' is 'If not a dreamer, then not a poet,' which is logically equivalent.

Question 4

A sequence follows a rule: 2, 6, 18, 54, ___. What is the missing number?

Accepted Answer

162

Answer

Each term is multiplied by 3: 2×3=6, 6×3=18, 18×3=54, 54×3=162.

Question 5

Tom is taller than Sue. Sue is taller than Ray. Ray is taller than Kim. Which statement is definitely true?

Accepted Answer

Ray is shorter than Tom

Answer

Tom > Sue > Ray, so Ray must be shorter than Tom by the transitive property.

Mensa Practice Test

Mensa Practice Test

Mensa Mensa IQ Deductive Reasoning Puzzles Questions and Answers 3