Number Series Study Notes for SSC and Railways Exams

By : Neha Uppal

Updated : Nov 2, 2020, 19:52

Are you preparing for number series questions for SSC and Railways exams? Numbers series holds a profound role in RRB Group D, SSC CHSL, SSC MTS, RRB NTPC, SSC CGL, RRB JE, RRB NTPC, and RRB Group D exams. It is an aspect of the logical reasoning segment of SSC and Railways exams, and by preparing well, one can gather a brilliant opportunity to boost their overall score. Once you comprehend the concepts, you will enjoy interpreting Number Series questions and answers in SSC exams.

Number Series questions are mathematical sequences that follow logical rules, and each sequence of numbers is called a term. In this section, students are required to identify the rules that connect terms then need to conclude the missing number. 

Important Number Series Topics

While conceiving the Number Series questions, it's pervasive to focus on the pivotal topics to get good marks in SSC and Railways Exams. Here is the rundown of the most significant topics recommended by Experts.



Arithmetic Sequences

In this, students have to identify the differences in the numbers either by adding, subtracting, or both.

Geometric Sequences

This topic addresses the ascent and descent of numbers that means each term is calculated either by multiplying, dividing or both by specific numbers.

Exponent Sequences

Exponent sequences come in two forms- namely, perfect square and perfect cube sequences.

Two-Stage Sequences

Here, students have to recognize the difference between consecutive terms like arithmetic or a geometric sequence.

Mixed Sequences

This topic is concealed with only one sequence with more than 1 arithmetic rule defining it.

Alternating Sequences

When a single sequence takes the shape of two interdependent subsequences. 

Fibonacci Sequences

When each term is the sum of 2 going before numbers it is called Fibonacci arrangements. E.g. 3,5,8

Combination of Sequences' Types

In this concept, both two-stage sequences and exponential sequences are followed.

Tips to Solve/ Prepare Number Series Questions 

  • Stay up to date with the latest Number Series syllabus for SSC exams as it will help you to be aware of the topics that you need to prepare. 
  • Develop good calculation skills by solving number series manually and learn number series rules as it will improve your availability to solve Number Series problems in SSC exams easily and effortlessly. 
  • Make a habit of preparing Number Series questions and answers pdf for SSC exams as this will help in preparation and revision.

Importance of Number Series Questions in Government exams 

  1. It checks the IQ level of the aspirant. 
  2. This topic is the most scoring section in the exam if one has a good grasp of the concepts and has practised Number Series Questions meticulously. 
  3. If the foundation of the number series is staunch, then other topics like Simple & compound interest and integration become easy to understand.  
  4. Number series preparation makes you ready for other management competitive and Banks exams also.

Most Recommended Books for Number Series questions

As exam approaches, many students end up purchasing a plethora of books that makes their preparation complicated and hefty. Check out these books for number series preparation -



Fast Track Objective Arithmetic

Rajesh Sharma

Quantitative  Aptitude for Competitive Examination

R.S. Agarwal/ S. Chand Publication

Data Interpretation

Arun Sharma/ THM Publication

Quantum  Cat

Sarvesh Kumar Verma

Why prepare for Number Series questions from BYJU'S Exam Prep? 

The numerical series questions demand more focus, creativity, and attention. Hence, excellent guidance and a structured preparation strategy are needed. BYJU'S Exam Prep is proclaimed as the top examination preparation destination for students. So every student can access high-quality Number Series notes for SSC exams, Number Series online tests for SSC exams, and Number Series tricks for SSC exams. For all-round groundwork for Number Series questions, BYJU'S Exam Prep is the ideal decision. All the Number Series quiz for SSC exams and Number Series practice test SSC exam are designed by eminent experts that make headway towards a better understanding of the subject matter.


The numerical series questions are an integral part of SSC and Railways exams. Learn the Number Series formula for SSC exams thoroughly and take the Number Series practice test SSC exam regularly as it will help to improve question-solving skills.

Frequently Asked Questions (FAQs)

  • Which is the best book for numerical series questions? 

Answer: One of the most recommended books for numerical series questions preparation is Quantum Cat by Sarvesh Kumar Verma

  • How to improve my maths in SSC CGL exams? 

Answer: Firstly try to cover important topics like number series questions, speed, time, and distance. Learn all Number Series rules to improve your calculation speed.

  • Do you think test series for number series questions effective?

Answer: Yes, by solving test series, you get a clear picture of your standing in the exams and can formulate ways to improve it.

  • How do I solve the number series quickly? 

Answer: Solve number series practice sets SSC daily, and once in a week, revise all the questions as it will enhance your speed.