Mettl Logical Reasoning 4 — Questions and Answers
Question 1: A is 3 years older than B. B is twice as old as C. If C is 10, how old is A?
- 20
- 21
- 23 (Correct answer)
- 25
Correct answer: 23
C=10, B=20, A=20+3=23.
Question 2: Which figure completes the analogy? Circle : Sphere :: Square : ?
- Cube (Correct answer)
- Cone
- Cylinder
- Pyramid
Correct answer: Cube
A sphere is the 3D version of a circle, just as a cube is the 3D version of a square.
Question 3: The day before yesterday was Thursday. What day will it be the day after tomorrow?
- Sunday
- Monday (Correct answer)
- Tuesday
- Saturday
Correct answer: Monday
If day-before-yesterday was Thursday, today is Saturday, and day-after-tomorrow is Monday.
Question 4: Odd one out: 36, 49, 64, 81, 100, 111
- 64
- 81
- 100
- 111 (Correct answer)
Correct answer: 111
36, 49, 64, 81, 100 are all perfect squares; 111 is not.
Question 5: All fast runners are athletes. John is not an athlete. Therefore:
- John runs slowly
- John is not a fast runner (Correct answer)
- John does not run
- Some athletes are not fast runners
Correct answer: John is not a fast runner
By contrapositive, if John is not an athlete, he cannot be a fast runner.
Question 6: A man walks 4 km north, then 3 km east. How far is he from his starting point?
- 5 km (Correct answer)
- 6 km
- 7 km
- 4 km
Correct answer: 5 km
Using the Pythagorean theorem: √(4² + 3²) = √25 = 5 km.
Question 7: Which of the following best strengthens: 'Studying with background music improves test scores'?
- Many students dislike silence
- A controlled study showed music-group scores were 15% higher than the silent-study group (Correct answer)
- Some musicians score well on tests
- Libraries allow headphones
Correct answer: A controlled study showed music-group scores were 15% higher than the silent-study group
A controlled study with a measurable outcome directly supports the causal claim.
Mettl Logical Reasoning 4
A is 3 years older than B.
B is twice as old as C.
If C is 10, how old is A?