Number Series For IBPS RRB Exam, Check Practical Questions

The IBPS RRB exams for PO (Probationary Officer) and Clerk positions are some of the most competitive exams in the banking sector. One of the key components of these exams is the Quantitative Aptitude section, which includes a variety of questions on number series. This article provides a detailed overview of the number series, essential tips for mastering this topic, and questions to help prepare effectively for the IBPS RRB 2024 exam.

What is Number Series?

A number series is a collection of numbers that follows certain a certain pattern. Candidates need to figure out the missing or incorrect number in the given series. In some problems, one of the terms in the supplied series may be wrong, and candidates must figure out which term is faulty by identifying the pattern involved in the series creation.

Each question may follow a particular form of pattern or sequential arrangement of characters or digits, which applicants must detect using their common sense and thinking abilities.

Types of Number Series

1. Missing Number
2. Wrong Number Series

Types of Number Series covered in Missing Number Series Pattern:

Addition Series  

Specific numbers depending on some pattern are added to get the following number in this type of number series.

Subtraction Series

Series is given following a pattern that involves the subtraction of numbers, this subtraction too follows a definite pattern a candidate needs to identify a pattern.

Multiplication Series

The multiplication series is most favorite of the examiner as multiplication is required in different sets of patterns like it may follow the pattern of square roots, cube roots, alternative number multiple

Division Series

In this division series, the said series follows a definite set of divisibility rules which is to be identified to produce the next number in the series.

Wrong Number Series 

The questions in the Series appear to be simple. You have to figure out which one is the odd one out. However, these questions can become rather complicated, and candidates frequently become perplexed.

When answering such queries, keep two things in mind. Before you mark your answer, you must thoroughly reason it. Make sure the answer follows solid logic and fundamental reasoning. Before you mark the solution, double-check your logic.

Key Strategies for Solving Number Series Questions

• Identify Patterns: Look for consistent patterns in the said series provided.
• Attentiveness: Be attentive and careful while answering the odd one out series especially because many candidates get perplexed while choosing the correct answer despite cracking the pattern which said series follows.
• Practice Regularly: Regular practice helps in quickly recognizing the common pattern

Number Series Questions for the IBPS RRB Exam

What will come in place of the question mark?

1. 70, 90, ?, 154, 198, 250

1. 118
2. 119
3. 116
4. 115
5. 117

2.  125, 250, 466, ? , 1321, 2050

1. 706
2. 756
3. 806
4. 809
5. 810

3.  320, 160, 480, 120, 600, ?

1. 200
2. 110
3. 100
4. 105
5. 115

4.  2, 4 11, 37, ?, 771

1. 143
2. 147
3. 153
4. 154
5. 159

5. 51, 56, 63, 74, ?, 104

1. 83
2. 91
3. 77
4. 87
5. 97

6. ?, 14, 31, 97, 393, 1971

1.  266
2. 261
3. 159
4. 238
5. 296

7. 14, 116, 239, 404, 632, ?

1.  230
2. 240
3. 350
4. 450
5. 110

8. 90, 55, 75, 142.5, ?, 862.5

1. 26
2. 27
3. 36
4. 46
5. 19

9. 24, 63, 143, ?, 575, 899

1. 323
2. 224
3. 255
4. 343
5. 360

10. 111, 100, 110, 101, 109, ?

1. 102
2. 100
3. 101
4. 99
5. 105

Find out the wrong number in the series

1. 4, 11, 39, 163, 823, 4947, 34639

1. 11
2. 39
3. 4
4. 823
5. 4947

2. 19, 24, 33, 43, 55, 69, 85

1. 19
2. 24
3. 33
4. 55
5. 85

3 .  36, 34, 22, -8, -64, -154, -286

1. 36
2. 34
3. 22
4. correct
5. -8

4.  3, 8, 17, 36, 73, 146, 297

1. 146
2. 297
3. 3
4. 8
5. 17

5.  0, 1, 9, 36, 81, 225, 441

1. 81
2. 1
3. 9
4. 36
5. 441

6 .  312, 304, 288, 266, 232, 192, 144

1. 312
2. 266
3. 232
4. 192
5. correct

7.  131, 222, 350, 518, 735, 1006

1. correct
2. 350
3. 518
4. 735
5. 1006

8.  5, 13, 36, 145, 719, 4321

1. 36
2. 511
3. 13
4. correct
5. 719

9. 100, 221, 77, 245, 50,275

1. 245
2. 275
3. 77
4. 100
5. correct

10. 27, 36, 51, 68, 87, 110

1. 110
2. 36
3. 51
4. 68
5. 87

 Solutions: