Mensa Logical Reasoning 3 — Questions and Answers
Question 1: Which number completes the series: 2, 6, 12, 20, 30, ?
- 40
- 42 (Correct answer)
- 36
- 44
Correct answer: 42
Differences increase by 2 each step (4,6,8,10,12), so 30+12=42.
Question 2: All managers attend the meeting. John did not attend the meeting. Therefore:
- John is a manager
- John is not a manager (Correct answer)
- John was sick
- John is the boss
Correct answer: John is not a manager
Since all managers attend and John didn't, John cannot be a manager.
Question 3: Pen is to write as knife is to:
- Sharp
- Cut (Correct answer)
- Metal
- Kitchen
Correct answer: Cut
A pen's function is to write; a knife's function is to cut.
Question 4: If some artists are teachers and all teachers are patient, which must be true?
- All artists are patient
- Some artists are patient (Correct answer)
- No artists are patient
- All patient people are artists
Correct answer: Some artists are patient
The artists who are teachers must be patient, so some artists are patient.
Question 5: Find the odd one out: Square, Triangle, Circle, Cube.
- Square
- Triangle
- Circle
- Cube (Correct answer)
Correct answer: Cube
A cube is three-dimensional while the others are flat shapes.
Question 6: If today is Wednesday, what day will it be 100 days from now?
- Thursday
- Friday (Correct answer)
- Saturday
- Sunday
Correct answer: Friday
100 divided by 7 leaves remainder 2, so Wednesday plus 2 days is Friday.
Question 7: A man says, 'That boy's father is my father's son, and I have no brothers.' Who is the boy?
- His nephew
- His son (Correct answer)
- His brother
- His cousin
Correct answer: His son
With no brothers, 'my father's son' is the man himself, so the boy is his son.
Which number completes the series: 2, 6, 12, 20, 30, ?