On day 1 of SSB interview candidates have to face the screening test, two rounds are conducted under this – first OIR test and second is PPDT (picture perception and description test). Merit is created on the basis of candidate’s performance in both the tests. We can say that the first test conducted in SSB interview is Officer Intelligence Rating Test, OIR test is a written exam consisting of 54-55 questions consisting simple linguistic, logical, analytical, and mathematical questions to test the common sense of the candidates.

Officer Intelligence Rating Test consists of two sections Verbal and Non-verbal:

Verbal section in Officer Intelligence Rating Test consists of questions based on topics such as: Relationship, Jumbled words, Coding/Decoding, Multiple choice question,  Antonym and synonym, reconstruction of sentence, one-word substitution, Odd one out, common sense and alphabet test, Arithmetic questions.

Non-verbal section in Officer Intelligence Rating Test consist of questions based on topics such as: Which figure is different from the other, Completion of number series, Locate the concealed figure, Fill in the correct figure.

SSB OIR Test 2017 Online Coaching

SSB OIR Test 2017 Number Series Sample Questions

Number series is a form of numbers in a certain sequence, where some numbers are mistakenly put into the series of numbers and some number is missing in that series, we need to observe first and then find the accurate number to that series of numbers.

Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

• 589654237, 89654237, 8965423, 965423, ?

A. 58965

B. 65423

C. 89654

D. 96542

• 125,80,45,20,?

A. 5

B. 8

C. 10

D. 12

• 1, 2, 3, 6, 9, 18, ?, 54

A. 18

B. 27

C. 36

D. 81

• 5,6,9, 15, ?, 40

A. 21

B. 25

C. 27

D. 33

• 6, 12, 21, ?, 48

A. 33

B. 38

C. 40

D. 45

• 3, 4, 7, 7, 13, 13, 21, 22, 31, 34, ?

A. 42

B. 43

C. 51

D. 52

• 9, 27, 31, 155, 161, 1127, ?

A. 316

B. 1135

C. 1288

D. 2254

• Which of the following will not be a number of the series 1, 8, 27, 64, 125,…..?

A. 256

B. 512

C. 729

D. 1000

• 22, 24, 28, ?, 52, 84

A. 36

B. 38

C. 42

D. 46

• 6, 11, 21, 36, 56, ?

A. 42

B. 51

C. 81

D. 91

• 1, 4, 10, 22, 46, ?

A. 64

B. 86

C. 94

D. 122

• 66, 36, 18, ?

A. 3

B. 6

C. 8

D. 9

• 28, 33, 31, 36, ?, 39

A. 32

B. 34

C. 38

D. 40

• 0, 2, 8, 14, ?, 34

A. 20

B. 23

C. 24

D. 25

• 240, ?, 120, 40, 10, 2

A. 180

B. 240

C. 420

D. 480

• 20, 20, 19, 16, 17, 13, 14, 11, ?, ?

A. 10, 10

B. 10, 11

C. 13, 14

D. 13, 16

• 24, 60, 120, 210, ?

A. 300

B. 336

C. 420

D. 525

• 11, 10, ?, 100, 1001, 1000, 10001

A. 101

B. 110

C. 111

D. None of these

• 2, 7, 27, 107, 427, ?

A. 1262

B. 1707

C. 4027

D. 4207