Top 50 reasoning questions with answers for 2025 exams – number series, blood relations, coding, directions & more

Introduction

Preparing for competitive exams like SSC, Bank PO, UPSC, or campus placements? Master reasoning questions and answers with this curated list of 50 important reasoning questions, explained clearly to help you crack logical reasoning sections with ease.

Number Series Questions (1–10)
Coding-Decoding & Letter Series (11–20)
Blood Relation Questions (21–30)
Direction Sense Test (31–40)
Verbal Reasoning Questions (41–50)
Conclusion

Number Series Reasoning Questions and Answers (1–10)

Learn common patterns used in number series like addition, multiplication, squares, and prime numbers.
Example:
Q1. What comes next: 2, 4, 8, 16, ?
A. 32
Explanation: Each number is multiplied by 2.
Keywords: number series reasoning, number pattern questions

Coding-Decoding & Letter Series (11–20)

These questions are often asked in SSC and bank exams.
Q14. If CAT is coded as DBU, how is DOG coded?
A. EPH
Explanation: Each letter is shifted forward by 1 in the alphabet.
Keywords: coding decoding reasoning questions, letter series logical reasoning

Blood Relation Reasoning Questions (21–30)

Understand complex family relations using logical deduction.
Q22. Pointing to a woman, Ravi says, “She is the daughter of the only son of my father.” Who is she?
A. Daughter
Keywords: blood relation questions, family relation reasoning

Direction Sense Reasoning Questions (31–40)

Master how to calculate directions and distance from given movements.
Q34. If you walk 4 km west, then 3 km south, how far are you from the starting point?
A. 5 km
Explanation: Use the Pythagorean theorem.
Keywords: direction sense test, reasoning with directions

Verbal Reasoning: Statement and Conclusion (41–50)

Improve your analytical reasoning through verbal logic and assumptions.
Q41. Statement: All apples are fruits. All fruits are healthy.
Conclusion: All apples are healthy.
A. True
Keywords: verbal reasoning, statement and conclusion questions

Section 1: Number Series (Q1–Q10)

Q1. What comes next: 2, 4, 8, 16, ?

Answer: 32
Explanation: Each number is multiplied by 2.

Q2. Find the missing term: 5, 10, 20, 40, ?

Answer: 80
Explanation: The pattern is ×2.

Q3. Identify the pattern: 1, 4, 9, 16, 25, ?

Answer: 36
Explanation: These are perfect squares: 1², 2², 3²…

Q4. Complete the series: 10, 20, 30, 50, 80, ?

Answer: 130
Explanation: Adding +10, +10, +20, +30, +50.

Q5. 81, 27, 9, 3, 1, ?

Answer: 1/3
Explanation: Each term is ÷3.

Q6. 1, 2, 6, 24, ?

Answer: 120
Explanation: These are factorials: 1!, 2!, 3!, 4!, 5!

Q7. 13, 17, 19, 23, 29, ?

Answer: 31
Explanation: Series of prime numbers.

Q8. 100, 96, 91, 85, ?

Answer: 78
Explanation: Subtracting: -4, -5, -6, -7…

Q9. 1, 3, 6, 10, 15, ?

Answer: 21
Explanation: Series of triangular numbers.

Q10. 144, 121, 100, 81, ?

Answer: 64
Explanation: Reverse squares: 12², 11², 10²…

Section 2: Letter Series & Coding-Decoding (Q11–Q20)

Q11. A, C, E, G, ?

Answer: I
Explanation: Skip one letter each time.

Q12. Z, X, V, T, ?

Answer: R
Explanation: Skipping one letter in reverse order.

Q13. ABC, DEF, GHI, ?

Answer: JKL
Explanation: Consecutive sets of letters.

Q14. If CAT = DBU, what is DOG?

Answer: EPH
Explanation: Each letter +1 alphabet.

Q15. If TREE = USFF, then LEAF = ?

Answer: MFBG
Explanation: Each letter +1.

Q16. LION is coded as MJPO. What is BEAR?

Answer: CFBS
Explanation: Each letter +1.

Q17. CHAIR → FKDLU, how?

Answer: +3 for each letter.

Q18. MOUSE is coded as NPVTF. Then RAT = ?

Answer: SBU
Explanation: Each letter shifted +1.

Q19. PLANE = QMBOD. What is TRAIN?

Answer: USBJO

Q20. MONKEY = OMNKEY. What changed?

Answer: Swapped first 2 letters.

Section 3: Blood Relations (Q21–Q30)

Q21. A is B's brother. B is C's sister. How is A related to C?

Answer: Brother

Q22. Ravi says, “She is the daughter of the only son of my father.” Who is she?

Answer: Daughter

Q23. A is the mother of B. C is A’s father. D is the son of C. How is D related to B?

Answer: Grandfather

Q24. X is brother of Y. Y is wife of Z. How is X related to Z?

Answer: Brother-in-law

Q25. A’s father is B’s son. C is A’s uncle. How is C related to B?

Answer: Son

Q26. B is daughter of A. C is husband of A. What is C to B?

Answer: Father

Q27. A is son of B. B is sister of C. C is father of D. How is A related to D?

Answer: Cousin

Q28. A’s wife’s father’s only son is B. How is B related to A?

Answer: Brother-in-law

Q29. A says, “B’s mother is the only daughter of my mother.” How is A related to B?

Answer: Aunt/Uncle

Q30. A introduces B as son of the only daughter of his father. How is B related to A?

Answer: Son

Section 4: Direction Sense (Q31–Q40)

Q31. Ravi faces North, turns 90° clockwise. Direction?

Answer: East

Q32. A walks North, turns left, then left. Direction now?

Answer: South

Q33. A walks 10m north, 5m east, 5m south. Distance from start?

Answer: 5 meters

Q34. Walk 4km west, 3km south. How far from start?

Answer: 5 km (Pythagorean theorem)

Q35. Face East, turn right, then right. Direction now?

Answer: West

Q36. Walk 8m north, then 6m right. Final direction?

Answer: East

Q37. Facing South, turn 270° clockwise. Direction?

Answer: West

Q38. Face North, turn 45° left. Direction now?

Answer: Northwest

Q39. Move 6m east, 8m north. Distance from start?

Answer: 10 meters

Q40. Go 3m east, 4m north, 3m west. Final distance?

Answer: 4 meters north

Section 5: Verbal Reasoning (Q41–Q50)

Q41. All apples are fruits. All fruits are healthy.

Conclusion: All apples are healthy.
Answer: True

Q42. Some books are pens. Some pens are markers.

Conclusion: Some books are markers.
Answer: False

Q43. All men are intelligent. Some intelligent are women.

Conclusion: Some men are women.
Answer: False

Q44. No cats are dogs. All dogs are animals.

Conclusion: No cats are animals.
Answer: False

Q45. Some chairs are tables. All tables are wood.

Conclusion: Some chairs are wood.
Answer: Can't say

Q46. All keys are locks. Some locks are doors.

Conclusion: Some keys are doors.
Answer: False

Q47. All birds can fly. Penguins are birds.

Conclusion: Penguins can fly.
Answer: False

Q48. Most people love coffee.

Conclusion: Some people don’t love coffee.
Answer: True

Q49. Every student passed the exam.

Conclusion: No one failed.
Answer: True

Q50. Some fruits are sour.

Conclusion: All sour things are fruits.
Answer: False

Conclusion

These 50 reasoning questions and answers provide a well-rounded practice session for anyone preparing for exams in 2025. Covering number series, coding, family relations, directions, and logical conclusions, this guide enhances your conceptual understanding and boosts your confidence.

Tip: Practice regularly, focus on understanding patterns, and analyze mistakes to improve speed and accuracy.

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