Reasoning is one of the highest-scoring sections in SSC CGL. The questions are generally based on Analogy, Classification, Series, Coding-Decoding, Blood Relations, Direction Sense, Ranking, Syllogism, and Logical Reasoning.

Below are 50 important SSC CGL reasoning questions with answers.

Analogy

1. Book : Reading :: Pen : ?

A) Ink
B) Writing
C) Paper
D) Pencil

Answer: B) Writing

2. Doctor : Hospital :: Teacher : ?

A) School
B) Student
C) Class
D) Education

Answer: A) School

3. Fish : Water :: Bird : ?

A) Nest
B) Tree
C) Air
D) Sky

Answer: C) Air

4. Foot : Leg :: Hand : ?

A) Finger
B) Arm
C) Palm
D) Wrist

Answer: B) Arm

5. Wheel : Car :: Pedal : ?

A) Bicycle
B) Scooter
C) Bus
D) Train

Answer: A) Bicycle

Classification (Odd One Out)

6. Find the odd one:

A) Apple
B) Mango
C) Banana
D) Carrot

Answer: D) Carrot

7. Find the odd one:

A) Triangle
B) Square
C) Rectangle
D) Circle

Answer: D) Circle

8. Find the odd one:

A) Lion
B) Tiger
C) Elephant
D) Leopard

Answer: C) Elephant

9. Find the odd one:

A) January
B) March
C) July
D) Monday

Answer: D) Monday

10. Find the odd one:

A) Copper
B) Iron
C) Silver
D) Plastic

Answer: D) Plastic

Number Series

11. 2, 4, 8, 16, ?

A) 24
B) 32
C) 64
D) 18

Answer: B) 32

12. 3, 6, 12, 24, ?

A) 36
B) 48
C) 60
D) 72

Answer: B) 48

13. 5, 10, 20, 40, ?

A) 60
B) 70
C) 80
D) 90

Answer: C) 80

14. 1, 4, 9, 16, ?

A) 20
B) 25
C) 30
D) 36

Answer: B) 25

15. 7, 14, 21, 28, ?

A) 30
B) 35
C) 42
D) 49

Answer: B) 35

Coding-Decoding

16. If CAT = DBU, then DOG = ?

A) EPH
B) EOH
C) FPH
D) EPG

Answer: A) EPH

17. If SUN = TVO, then MOON = ?

A) NPPQ
B) NQPP
C) NPPO
D) OPPQ

Answer: A) NPPQ

18. If DELHI = EFMIJ, then INDIA = ?

A) JOEJB
B) JOEJB
C) JOEKC
D) JOFJB

Answer: A) JOEJB

19. If PEN = QFO, then BOOK = ?

A) CPPL
B) CPLL
C) CPPK
D) CQPL

Answer: A) CPPL

20. If RAM = SBO, then MAN = ?

A) NBO
B) NBOO
C) NBO
D) OBO

Answer: A) NBO

Blood Relation

21. A is the son of B. B is the daughter of C. How is A related to C?

Answer: Grandson

22. Pointing to a woman, Ravi said, "She is my mother's only daughter." Who is she?

Answer: Ravi's Sister

23. A man is the brother of my father's son. Who is he?

Answer: Brother

24. P is the mother of Q. Q is the father of R. How is P related to R?

Answer: Grandmother

25. If X is Y's brother and Y is Z's daughter, then X is Z's?

Answer: Son

Direction Sense

26. A man walks 10 m north, then 10 m east. Which direction is he from the starting point?

Answer: North-East

27. A person moves south and then west. He is facing?

Answer: South-West direction

28. If the sun rises in the east, which direction is opposite to east?

Answer: West

29. A person travels north and turns right. Which direction is he facing?

Answer: East

30. A person travels east and turns left. Which direction is he facing?

Answer: North

Alphabet Series

31. A, C, E, G, ?

A) H
B) I
C) J
D) K

Answer: B) I

32. B, D, F, H, ?

A) J
B) K
C) L
D) M

Answer: A) J

33. Z, X, V, T, ?

A) R
B) Q
C) P
D) O

Answer: A) R

34. A, D, G, J, ?

A) L
B) M
C) N
D) O

Answer: B) M

35. M, O, Q, S, ?

A) T
B) U
C) V
D) W

Answer: B) U

Ranking Test

36. Ravi ranks 10th from top and 15th from bottom. Total students?

Answer: 24

37. A boy ranks 8th from top and 12th from bottom. Total students?

Answer: 19

38. A girl ranks 20th from top and 10th from bottom. Total students?

Answer: 29

39. If a student is 5th from top and 6th from bottom, total students?

Answer: 10

40. A person ranks 12th from top and 8th from bottom. Total?

Answer: 19

Logical Reasoning

41. All cats are animals. Some animals are wild. Therefore:

A) All cats are wild
B) Some cats may be wild
C) No cats are wild
D) None

Answer: B

42. If all roses are flowers and all flowers are plants, then:

A) All roses are plants
B) Some roses are plants
C) No roses are plants
D) None

Answer: A

43. Statement: All books are papers.

Conclusion: Some papers are books.

Answer: Follows

44. Statement: Some students are players.

Conclusion: Some players are students.

Answer: Follows

45. Statement: All pens are pencils.

Conclusion: All pencils are pens.

Answer: Does Not Follow

Miscellaneous SSC CGL Reasoning

46. Mirror image of "M" is?

Answer: M

47. How many months have 28 days?

Answer: All 12 months

48. Which number replaces the question mark?

2, 6, 12, 20, ?

Answer: 30

49. Which number comes next?

1, 8, 27, 64, ?

Answer: 125

50. Find the missing term:

AZ, BY, CX, ?

Answer: DW

SSC CGL Reasoning Preparation Tips

1. Practice 20–30 questions daily.
2. Focus on Coding-Decoding and Series.
3. Learn shortcut methods for Blood Relations.
4. Solve previous year SSC CGL papers.
5. Improve speed and accuracy through mock tests.