Mensa Logical Reasoning 2 — Questions and Answers
Question 1: All roses are flowers. Some flowers fade quickly. Therefore:
- All roses fade quickly
- Some roses may fade quickly (Correct answer)
- No roses fade quickly
- All flowers are roses
Correct answer: Some roses may fade quickly
Since only some flowers fade quickly, we can only conclude some roses might, not that all do.
Question 2: If no scientists are poets, and all poets are dreamers, which must be true?
- Some dreamers are not scientists (Correct answer)
- All dreamers are poets
- No dreamers are scientists
- All scientists are dreamers
Correct answer: Some dreamers are not scientists
Poets are dreamers but not scientists, so at least those dreamers are not scientists.
Question 3: A is taller than B. C is shorter than B. D is taller than A. Who is tallest?
- A
- B
- C
- D (Correct answer)
Correct answer: D
D > A > B > C, so D is the tallest.
Question 4: Every time it rains, the match is cancelled. The match was not cancelled. Therefore:
- It rained
- It did not rain (Correct answer)
- It might have rained
- The match was postponed
Correct answer: It did not rain
If rain always cancels the match and it wasn't cancelled, it could not have rained.
Question 5: Some books are heavy. All heavy things are hard to carry. Therefore:
- All books are hard to carry
- Some books are hard to carry (Correct answer)
- No books are hard to carry
- Heavy things are books
Correct answer: Some books are hard to carry
The heavy books fall into the hard-to-carry category, so some books are hard to carry.
Question 6: If P implies Q, and Q implies R, and P is true, what is true?
- R is false
- R is true (Correct answer)
- Q is false
- Nothing can be known
Correct answer: R is true
P true forces Q true, which forces R true via the chain.
Question 7: In a code, MAP becomes NBQ. What does CAT become?
- DBU (Correct answer)
- DBV
- EBU
- CBU
Correct answer: DBU
Each letter shifts forward by one, so CAT becomes DBU.
Mensa Logical Reasoning 2
All roses are flowers.
Some flowers fade quickly.
Therefore: