AMCAT Logical Reasoning 1 — Questions and Answers
Question 1: In a series: 2, 6, 12, 20, 30, __. What comes next?
- 36
- 40
- 42 (Correct answer)
- 44
Correct answer: 42
The differences are 4, 6, 8, 10, 12 — so next term = 30 + 12 = 42.
Question 2: All roses are flowers. Some flowers are red. Which conclusion is definitely true?
- All roses are red
- Some roses are red
- No roses are red
- Some flowers are roses (Correct answer)
Correct answer: Some flowers are roses
Since all roses are flowers, it is definite that some flowers are roses.
Question 3: If PENCIL is coded as RGPEKN, how is MANGO coded?
- OCPIQ (Correct answer)
- OCPIR
- ODPIQ
- OBPIQ
Correct answer: OCPIQ
Each letter is shifted forward by 2 positions: M→O, A→C, N→P, G→I, O→Q = OCPIQ.
Question 4: Pointing to a photograph, a man says 'She is the daughter of my grandfather's only son.' How is the woman related to the man?
- Mother
- Sister (Correct answer)
- Aunt
- Cousin
Correct answer: Sister
Grandfather's only son is the man's father, so the daughter of his father is his sister.
Question 5: Which number is the odd one out: 3, 5, 7, 9, 11, 13?
- 3
- 7
- 9 (Correct answer)
- 11
Correct answer: 9
9 is the only composite number (3×3) in the list; all others are prime.
Question 6: A is taller than B. C is taller than A. D is shorter than B. Who is the tallest?
- A
- B
- C (Correct answer)
- D
Correct answer: C
The order from tallest is C > A > B > D, so C is the tallest.
In a series: 2, 6, 12, 20, 30, __.
What comes next?