OIR Test for NDA SSB Interview: OIR Syllabus, Sample Questions, Tips

By BYJU'S Exam Prep

Updated on: September 11th, 2023

Officer Intelligence Rating (OIR) test is the first test in the SSB Interview of NDA, CDS, and AFCAT which examines the aspirant’s general intelligence. Based on the OIR test, the aspirants’ screening & the final recommendation rely upon. The officer-like qualities test is designed in order to gauge the Reasoning ability & Effective Intelligence of the candidate.  In this article we have provided, OIR Test Syllabus with 100+ OIR (Verbal and Non-Verbal Reasoning) questions Pdf with solutions, important of the SSB OIR Test.


The NDA SSB OIR Test is a general intelligence test for an aspirant which checks his or her average intelligence & time management completely. The Day 1 Screening test of the NDA SSB Interview consists of OIR, i.e., Officer Intelligence Rating-test and PPDT, i.e., Picture Perception & Discussion Test respectively.

OIR Test for NDA SSB Interview

The OIR test is the day 1 Screening test of the NDA SSB interview which is categorized into two rounds: Verbal Reasoning Test & Non-Verbal Reasoning Test. The merit is created based on the aspirant’s performance in both tests.

  • OIR test comprises two booklets: Verbal reasoning and Non-Verbal reasoning.
  • Booklet 1 of verbal reasoning consists of 30 to 50 questions.
  • The time allotted for Booklet 1 is 17 to 20 minutes.
  • After completion of Booklet 1, another Booklet is provided.
  • Booklet 2 of non-verbal reasoning consists of 30 to 50 questions.
  • The time allotted for Booklet 2 is 17 to 20 minutes.

SSB OIR Syllabus

Here we are sharing the SSB interview OIR Test syllabus. The Officer Intelligence Rating Test and SSB OIR syllabus comprise two sections Verbal & Non-verbal. The following topics are asked in the OIR syllabus:

Verbal Test

Non – Verbal Test


Completion of Series


Blood Relation

Figure Matrix

Shorter and Taller Problems

Locating Hidden Figure

Logical Venn Diagram

Odd one out

Jumbled Words

Classification of data


Paper Cutting

One word Substitution

Problem on Dice

Problem on Ranks

Problem on Cubes

Interchanging 2 signs

Visualizing Patterns

Identification of letters

Spatial Ability

Reconstruction of test

How to Prepare for OIR Test in SSB?

The common misapprehension about the OIR test is that it did not get much weightage when compared to the PPDT in assessment. The aspirant has to solve questions in less time. Aspirants have to at least clear this exam with the minimum cut-off marks no matter how well their PPDT has gone. The following are some tips to prepare for the OIR test in SSB:

  • Self-Practice: There are no circumvent or shortcuts when it comes to Officer Intelligence Rating-test preparation, one has to go through the syllabus & pick the topics one by one and begin preparing for it, the more an aspirant practices on the topics the better his or her performance will be. The questions asked in OIR Test are very basic & can be mastered with a little bit of routine self-practice.
  • Prepare from Books: Various publishers are available which give NDA SSB interview-related books or special books for the OIR test preparation are also available. For example, A Modern Approach to Verbal and Non-Verbal Reasoning by RS Agarwal can be used to prepare for the OIR test.
  • Group Activity: Nowadays, it is possible via the internet to find or form a group of people with a common interest. One can also do something like that using social networks or any other medium and exchange knowledge with fellow ‘NDA SSBians’.
  • Understand different types of Verbal & Non-verbal Tests: These particular tests check a candidate’s logical & intelligence ability and what it requires, is one’s inborn intelligence & keen observance to solve the question, and once he or she understands the logic of a question it is a very soft cake for one to eat.

Significance of the SSB OIR Syllabus

Most of the aspirants think that the OIR test is an easy-go-lucky test, and gives more significance to the PPDT. But surprisingly the joint merit of the OIR test and PPDT decides whether he or she is going to be screened or not. In case one has scored more than 90 percent on the OIR test candidate can consider oneself screened in.

  • If an aspirant has a good OIR score then definitely he or she will get an upper edge during the conference results.
  • The OIR tests have a lot of substance, not only in the screening but in the overall merit score too. Furthermore, the OIR score of the selected aspirant is sent to the respective academy & Ministry of Defence. The OIR is also considered by Special agencies such as R&AW while the induction process.

Sample Questions for SSB OIR Test

Here are some samples of SSB OIR test questions:

1. If in a definite language, DELHI is coded as EFMIJ, how is BOMBAY coded in that code?


2. Choose the right alternative & complete the given series:

1, 3, 5, 7, ___

  1. 8
  2. 9
  3. 10
  4. 11

3. Write the last digit of the smallest number from the following given numbers?

467922, 468910, 461093, 497252

4. Milky Way is a galaxy from which we get milk when it rains?

  1. True
  2. False
  3. Probable
  4. Absurd

 By how many degrees a minute hand get rotates in 45 minutes?

  1. 90o
  2. 180o
  3. 270o
  4. 45o

OIR Test Question PDF for SSB Interview

For a person who aspires to join the Indian Armed Forces as an officer, passing the OIR Test is required. Candidates can download 100+ Questions PDF to prepare the SSB OIR syllabus:

OIR Questions PDF Solution PDF
Download Here Download Here

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