AFCAT Reasoning & Logical Thinking 4 — Questions and Answers
Question 1: If 4 × 3 = 48 and 5 × 4 = 100, then 6 × 5 = ?
- 150
- 160
- 170
- 180 (Correct answer)
Correct answer: 180
The pattern is a × b × a: 4×3×4=48, 5×4×5=100, so 6×5×6=180.
Question 2: In a class, 30 students play cricket, 25 play football, and 10 play both. How many play at least one sport?
- 45 (Correct answer)
- 55
- 65
- 50
Correct answer: 45
Using inclusion-exclusion: 30 + 25 − 10 = 45 students play at least one sport.
Question 3: Statement: No flowers are trees. All trees are plants. Which conclusion is definitely true?
- No flowers are plants
- Some plants are not flowers (Correct answer)
- All plants are trees
- Some flowers are plants
Correct answer: Some plants are not flowers
All trees are plants but no flowers are trees, so some plants (the trees) are definitely not flowers.
Question 4: If all Blens are Mens, and no Men is a Den, which conclusion must be true?
- No Blen is a Den (Correct answer)
- Some Dens are Blens
- All Dens are Mens
- Some Blens are Dens
Correct answer: No Blen is a Den
Since all Blens are Mens and no Men is a Den, it follows that no Blen can be a Den.
Question 5: How many triangles are there in a large triangle divided into 4 equal smaller triangles?
- 4
- 5 (Correct answer)
- 6
- 8
Correct answer: 5
There are 4 small triangles + 1 large outer triangle = 5 triangles total.
Question 6: If today is Wednesday, what day of the week will it be 100 days from now?
- Friday (Correct answer)
- Saturday
- Sunday
- Monday
Correct answer: Friday
100 ÷ 7 = 14 weeks remainder 2; Wednesday + 2 days = Friday.
Question 7: Pointing to a photo, Arjun said, 'She is the daughter of my grandfather's only son.' How is the girl related to Arjun?
- Sister (Correct answer)
- Cousin
- Niece
- Daughter
Correct answer: Sister
Grandfather's only son = Arjun's father; his father's daughter = Arjun's sister.
AFCAT Reasoning & Logical Thinking 4
If 4 × 3 = 48 and 5 × 4 = 100, then 6 × 5 = ?