Preparing for the SSB Interview? The Officer Intelligence Rating (OIR) Test is an important part of the SSB screening process. Candidates preparing for the SSB Interview should understand the OIR test pattern, practise different types of reasoning questions, and work on improving their speed and accuracy.
To help aspirants prepare effectively, Defence Guru Portal brings you 50 SSB OIR practice questions with answers, along with additional practice material in PDF format.
What Is the SSB OIR Test?
The Officer Intelligence Rating (OIR) Test is conducted during the SSB selection process to assess a candidate's verbal and non-verbal intelligence. It evaluates logical reasoning, pattern recognition, analytical ability, and the ability to solve problems within a limited time.
OIR performance is considered part of the initial SSB screening process, along with the Picture Perception and Discussion Test (PPDT).
Types of Questions Asked in the OIR Test
The OIR test may include different types of verbal and non-verbal reasoning questions, such as:
-
Number and Letter Series: Identify the missing number or letters in a sequence.
-
Analogy: Find the relationship between two words, numbers, or figures.
-
Classification: Identify the odd one out from a group.
-
Figure-Based Reasoning: Complete a pattern or identify the next figure in a series.
-
Mirror Images: Determine the correct mirror image of a given figure.
-
Cube and Dice Questions: Understand the positions of symbols or numbers on different faces.
-
Coding-Decoding: Identify patterns used to represent letters, numbers, or words.
-
Logical Reasoning: Solve questions based on relationships, arrangements, and logical deductions.
Practising different question types can help candidates become familiar with reasoning problems and improve their problem-solving approach.
50 SSB OIR Practice Questions with Answers
1. Select a figure from amongst the Answer Figures that will continue the same series as established by the five Problem Figures.

(a) 1 (b) 2 (c) 3 (d) 4
02. Write the number of the choice that applies best to the statement given below: The area of a square is numerically the same as its side. Its side is 1 meter.
(a) True (b) Probable (c) False (d) Absurd
03. Find if the two cubes are alike. Write ‘Yes’ or ‘No’ on the answer sheet:

(a) Yes (b) No (c) Cannot be determined (d) None of these
04. Find if the two cubes are alike. Write ‘Yes’ or ‘No’ on the answer sheet:

(a) Yes (b) No (c) Cannot be determined (d) None of these
05. Write the number of the figure which will come next in the series:

(a) 1 (b) 2 (c) 3 (d) 4
06. Find out from amongst the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line.

(a) 1 (b) 2 (c) 3 (d) 4
07. Write the number of the figure which will come next in the series:


(a) 1 (b) 2 (c) 3 (d) 4
08. If the signs ' + ' and ' - ' and the numbers 4 and 8 are interchanged, then which one of the following four equations would be correct?

09. Write the LAST letter of the rearranged sentence. Them educate have we to
(a) T (b) M (c) W (d) S
10. Write the SECOND letter of the rearranged word. She sat in my lap and hugged me GHYLTIT.
(a) I (b) H (c) L (d) Y
11. Lepidopterist is to Butterflies and Moths as Lapidary is to _______.
(a) Currency (b) Stamp (c) Pens (d) Gems
12. Which one of the figures in the boxes on the right is most similar to the ones on the left i.e., figure C?


(a) 1 (b)2 (c) 3 (d) 4
13. Which two sets of letters will come next in the following series? ZAY, BZA, DYC, FXE,_______,________.
(a) WHG, JVI (b) HGH, JVI (c) HWG, JVI (d) HWG, JIV
14. Write the number of the figure which will come next in the series:

(a) 1 (b)2 (c) 3 (d) 4
15. Which item will stand in the middle if the following are rearranged in proper order?
(1) Members (2) City
(3) Village (4) Community (5) House
(a) 1 (b) 3 (c) 2 (d) 4
16. Which word does not belong to the same class as the others?
(a) Drape (b) Scarf (c) Necklace (d) Choker
17. Write the number of the figure which will come next in the series:

(a) 1 (b) 2 (c) 3 (d) 4
18. Choose one word from each of the following three lines to make a correct, true, and meaningful sentence.
He danced well in the show and [(1) gave (2) got (3) give (4) bought] [(1) scolding (2) appreciations (3) sad (4) happy] from the [(1) gym (2) karate (3) singing (4) dance] master.
(a) 2,3,2 (b) 2,2,4 (c) 2,4,2 (d) 2,1,2
19. Write the number which will come LAST in the dictionary?
(a) Veins (b) Venue (c) Violet (d) Valet
20. What will come in place □ in the given equation?

(a) 0 (b) 1 (c) 6 (d) 5
21. Choose the correct mirror image of the given figure (X) from amongst the four alternatives.

(a) 1 (b) 2 (c) 3 (d) 4
22. Which group of numbers does not belong to the same class as the others?
(a) 752 (b) 624 (c) 865 (d) 936
23. What will come in place □ in the given equation?

(a) 3 (b) 5 (c) 7 (d) 2
24. Write the number of the figure that will come next in the series:


(a) 1 (b) 2 (c) 3 (d) 4
25.

Which two of the following figures belong to Class A?

(a) 1 & 3 (b)1 &4 (c) 1 & 2 (d) 2& 3
26. If '+' means 'X', ' - ' means '/ ' , ' X ' means ' - ' and '/ ' means '+' , then what will be the value of

(a) 8 (b) 12 (c) 18 (d) None of these
27.

(a) 1 only (b) 2 only (c) 1 and 3 only (d) 1, 2, 3 and 4 only
28. Write the number of the correct choice.
How many 6s come just before 2 in the following numbers?
762435826896254786236826542179524624269 8
(a) 4 (b) 2 (c) 3 (d) 5
29. Amongst the following figures, find the correct one, if it is known that the total number of dots on opposite faces of the cube shown is always 7.

(a) Fig.1 (b) Fig.2 (c) Fig.3 (d) Fig.4
30. Write the number of the word which will come last in the dictionary?
(a) Nasal (b) Cartilage (c) Flexible (d) Formed
The underlined statement has four reasons to justify it. They are listed below the statement serially. Write the serial number of the reason you think correct.
31. Ten new television shows appeared during the month of September. Five of the shows were sitcoms, three were hour-long dramas, and two were news- magazine shows. By January, only seven of these new shows were still on the air. Five of the shows that remained were sitcoms.
(a) Only one of the news-magazine shows remained on the air.
(b) Only one of the hour-long dramas remained on the air.
(c) At least one of the shows that was cancelled was an hour- long drama.
(d) Television viewers prefer sitcoms over hour- long dramas.
32. Pointing to a person, Deepak said, "His only brother is the father of my daughter's father". How is the person related to Deepak?
(a) Father (b) Grandfather (c) Uncle (d) Brother-in-law
Write the number of the correct choice.
33. If you write down all the numbers from 1 to 100, then how many times do you write 3?
(a) 20 (b) 11 (c) 21 (d) 18
34.

Which two of the following figures belong to class A?

(a) 1 & 2 (b) 1 & 4 (c) 3 & 4 (d) 1 & 3
35.

Which two of the following figures belong to Class A?

(a) 1 & 3 (b) 1 & 4 (c) 3 & 4 (d) 1 & 2
36. Which one of the figures in the boxes on the right is most similar to the ones on the left i.e., figure C?


(a)1 (b) 2 (c) 3 (d) 4
37. Mythical is to Historical as General is to _______.
(a) Particular (b) Sword (c) Rapier (d) Plead
38.

Which two of the following figures belong to Class A?

(a) 1& 2 (b) 1 & 3 (c) 2 & 3 (d) 3 & 4
39.

Which two of the following figures belong to Class A?

(a) 1 & 2 (b) 1 & 3 (c) 1 & 4 (d) 2 & 3
40. P is the mother of K; K is the sister of D; D is the father of J. How is P related to J?
(a) Mother (b) Grandmother (c) Aunt (d) Data inadequate
41. Write the SECOND letter of the rearranged word. Helen’s table NNRESAM is appalling.
(a) M (b) R (c) A (d) S
42. Write the LAST letter of the rearranged sentence. Cannot speaking yet one all the time keep on
(a) T (b) E (c) I (d) M
43.

(a) 1 and 2 only (b) All (c) 1 and 4 only (d) 1, 2 and 3 only
44. Select a figure from amongst the Answer Figures which will continue the same series as established by the five problem figures.


(a) 1 (b) 2 (c) 3 (d) 4
45. Which two numbers will come next in the following series? 3,7,15,_______,______.
(a) 31,63 (b) 63,31 (c) 30,63 (d) 31,62
46. Pharmacy is to Medicine as Restaurant is to __________.
(a) Stewart (b) Customer (c) Receptionist (d) Food
47.

Which two of the following figures belong to Class A?

(a) 1& 3 (b) 1& 4 (c) 1 & 2 (d) 3 & 4
48.

Which two of the following figures belong to Class A?

(a) 1& 3 (b) 1 & 4 (c) 1 & 2 (d) 2 & 4
49. Which group of letters does not belong to the same class as the others?
(a) BEFG (b) IKJM (c) EGFI (d) JLKN
50. Which word does not belong to the same class as the others?
(a) Antelope (b) Hippopotamus (c) Kangaroo (d) Hyena
OIR Test Series Answer Key- 1
|
1. |
C |
11. |
D |
21. |
D |
31. |
C |
41. |
C |
|
2. |
A |
12. |
C |
22. |
C |
32. |
C |
42. |
B |
|
3. |
B |
13. |
C |
23. |
C |
33. |
A |
43. |
B |
|
4. |
B |
14. |
A |
24. |
B |
34. |
D |
44. |
D |
|
5. |
D |
15. |
D |
25. |
C |
35. |
D |
45. |
A |
|
6. |
D |
16. |
A |
26. |
D |
36. |
D |
46. |
D |
|
7. |
A |
17. |
B |
27. |
B |
37. |
A |
47. |
D |
|
8. |
A |
18. |
B |
28. |
A |
38. |
A |
48. |
C |
|
9. |
B |
19. |
C |
29. |
A |
39. |
C |
49. |
A |
|
10. |
A |
20. |
A |
30. |
A |
40. |
B |
50. |
B |
How to Prepare for the SSB OIR Test
Follow these preparation tips to make your practice more effective:
1. Practise daily: Set aside time every day for verbal and non-verbal reasoning questions.
2. Improve speed and accuracy: Try to solve questions efficiently without compromising accuracy.
3. Review your mistakes: Understand why an answer was incorrect instead of simply memorising the correct option.
4. Practise under timed conditions: Use a timer to develop better time management.
5. Cover different question types: Do not focus only on one topic. Practise series, analogy, classification, figures, cubes, and other reasoning problems.
6. Revise regularly: Revisit difficult questions and practise similar problems to strengthen your understanding.
Who Should Practise SSB OIR Questions?
These questions may be useful for candidates preparing for:
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NDA entry and the subsequent SSB Interview
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CDS entry and the subsequent SSB Interview
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AFCAT entry and the subsequent SSB Interview
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Other entries that require candidates to undergo the SSB selection process
Conclusion
The SSB OIR Test assesses verbal and non-verbal reasoning abilities during the screening stage. Regular practice, time management, and careful analysis of mistakes can help candidates prepare more effectively.
Attempt the 50 OIR practice questions provided in this article and use the attached PDF for additional practice. Stay connected with Defence Guru Portal for more SSB preparation resources and defence exam guidance.
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