Alphanumeric Series Questions For Bank Exams- The Alphanumeric Series is an important topic in the Reasoning section for RRB PO and Clerk exams. The Alpha Numeric series is a statement that combines letters, numbers, and sometimes symbols. An Alpha-Numeric Series is a sequence that includes both alphabets (A-Z) and numbers (0-9). In some cases, symbols (@, #, $, etc.) may also be included. The series follows a specific pattern, and your task is to identify this pattern and solve the questions. In this article, we are providing the Ranking section preparation for IBPS RRB 2025 exam candidates to know the Alpha Numeric series topic and boost their performance in the exam. This article provides some important questions for the Alpha Numeric Series, along with the solutions. Candidates, check our article and solve all the alphanumeric series questions for bank exams.
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Alphanumeric Series
An alphanumeric series is a sequence that includes both letters (alphabet) and numbers. It can be used in various contexts, like puzzles, passwords, coding, serial numbers, or logic-based tests.
Alphanumeric Series Example:
- A1, B2, C3, D4 — letters and numbers increase together.
- Z9, Y8, X7, W6 — letters and numbers decrease together.
Types of Alpha-Numeric Series Questions
- Sequential Series: In this type, you are given a sequence where letters and numbers follow a particular order. You need to find the missing element or the next element in the series.
Example: A1, B2, C3, D4,? - Mixed Series: These questions include a random mix of alphabets, numbers, and sometimes symbols. You need to find patterns or solve them based on given conditions.
Example: 3B, 5D, 7F, 9H,? - Conditional Series: You are given a series with certain conditions to follow, such as replacing specific characters or finding positions based on given criteria.
Example: If A=1, B=2, C=3, find the 5th term in the series 2A, 4C, 6E, 8G,?

Alphanumeric Series Questions for IBPS RRB & Other Bank Exams
Here we are providing the Alphanumeric important questions for RRB PO and other banking exams. Candidates can download the alphanumeric series questions and detailed solution in the section below.
Question 1: How many symbols are immediately followed by a consonant?
A) Four
B) Five
C) Six
D) Seven
E) None of the above
Question 2: Which of the following is the fifth symbol to the left of eleventh letter from the left end?
A) $
B) #
C) %
D) @
E) None of the above
Question 3: In the given series, how many such numbers are there, which are immediately preceded by prime number?
A) Three
B) One
C) Four
D) Two
E) None
Question 4: In the given series, if all the alphabets, which are immediately succeeded by even numbers, are removed, then which element is fifteenth from the left end?
A) 5
B) Q
C) 3
D) 1
E) None of the above
Question 5: In the given series, how many alphabets are there in the English Alphabetical series, between the sixth alphabet from the left end and eighth alphabet from the right end?
A) Three
B) Seven
C) Five
D) Eight
E) None of the above

Tips and Tricks for Solving Alphanumeric Series
To excel in alphanumeric series questions, follow these strategies:
- Understand Positional Terms:
- Be clear on terms like “to the right/left of,” “immediately preceding/succeeding,” and “in the middle of.”
- For example, “sixth to the left” means moving six positions backwards in the sequence.
- Memorise Alphabet Positions:
- Know the position of each letter (A=1, B=2, …, Z=26) and their reverse order (Z=1, Y=2, …, A=26) to quickly identify patterns.
- Look for Multiple Patterns:
- Check for separate patterns in letters, numbers, and symbols. For instance, letters may follow an alphabetical sequence, while numbers follow an arithmetic progression.
- Avoid Assumptions:
- Don’t assume a pattern too early. Consider multiple possibilities before concluding.
- Practice Time Management:
- If a question takes too long, move on and return later. These questions are designed to be solved quickly.
- Use Mnemonics:
- Create memory aids for complex sequences or patterns to recall logic faster.
- Practice with Past Papers:
- Solve previous years’ questions to understand common patterns and question types and know the difficulty level.
- Double-Check Calculations:
- Avoid errors in counting positions or applying mathematical operations.
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Also Read

Alpha Numeric Series For All Banks Exam: FAQ
The Alphanumeric Series consists of sequences of letters, numbers, and sometimes symbols arranged in a particular pattern.
Patterns can include sequences of letters, numbers, or both.
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