Preparing for RRB NTPC 2020 exam? Do not forget to practice Alphanumeric Series in the Reasoning section. Check here how to attempt Alphanumeric Series.
- What is Alphanumeric Series?
- Types of Alphanumeric Series
- Tips & Tricks to solve Alphanumeric Series
What is Alphanumeric Series?
Alphanumeric series is formed by combining both alphabets and numbers. Questions from this topic are mostly asked in all the exams. Questions from this topic are easy to solve. Candidates can strengthen their command over the alphanumeric series by solving previous years’ question papers.
Types of Alphanumeric Series
Missing Series: In this type of series, alphabets and numbers may be given in a particular pattern. Candidates will have to fill in the blank space with the required element.
Alphabet-Number-Symbol: These questions may also be asked in a format where a series with alphabets, number and different types of symbols and questions may be asked based on them
Only Alphabetic Series: Series with either missing element or questions with sub-parts are asked. Such questions comprise English Alphabets and no numbers, set in a specific pattern.
Only Numerical Series: Such kind of series comprises only numbers, set in a specific pattern. Questions based on this type may be asked in the form of rearrangement of numbers or digits with the number in ascending, descending or any other order.
Tips & Tricks to solve Alphanumeric Series
Given below are a few tips and tricks to solve Alphanumeric Series questions in RRB NTPC exam.
- In pattern-based series, first, analyse the given Alphanumeric Series question given to you. Try to crack the pattern that is being asked. Mostly the pattern changes in terms of either the number of the alphabet.
- In abrupt series, which include number-symbol-alphabet, no pattern needs to be followed. Candidates need to move to the sub-part of the questions and straightaway answer them.
- For missing number series, you need to recheck the entire series after finding an answer. This will reduce the chances of error.
- Practice various types of Alphanumeric Series questions from the previous years’ question papers.
- Attempt mock tests to improve your speed of solving such type of questions.
- First, try to learn the concept of each and every topic of Alphanumeric Series.
Read More:
How to approach Coding and Decoding questions in RRB NTPC exam?

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Yes, the Railway Recruitment Board has released the RRB NTPC (UG) result 2025 for the notification CEN 6/2024 on its regional portals. The regions selected the candidates based on their regional vacancies.
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RRB NTPC Graduate Level CBT 2 hall ticket was released on October 9. The admit card can be downloaded by logging with the required credentials.
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Exam On - 20 Dec '25