Solving Letter Series Questions

Solving Letter Series Questions

For test success, you'll need to devote extra time to practising your number and letter series skills.

The letters in a letter series practice questions must be organised in a certain way to answer the question. We must recognize the letter series pattern and figure out the missing letter in the series.

There are several advantages to using alphabetical reasoning, including the following:

It’s simple to remember.

Second, this may be utilised in any language.

Offers a wide range of options.

It is a valuable tool for competitive tests like GATE and the like.

Several online quizzes and examinations use this kind of thinking question.

Useful in conjunction with various other logical tools (like the odd man out, etc.).

In the IBPS PO, SO, SBI, and RBI examinations, alphabet series reasoning problems are common.

Is there an alphabetical order?

There are several ways to construct an alphabet series or sequence, but the most common is using the same character to introduce each letter or element. ABCDEFGBC might be an example. ABCDEFGH is another name for this example, which has the following features:

A consonant letter precedes each element in the enumeration.

There are 24 letters in the sequence (15 vowels and nine consonants).

The last letter of the alphabet is E. (or another vowel).

IBPS PO, SO, and SBI examinations and RBI exams often use the combinations listed above. To complete the set, you will need to locate the missing phrases.

What is Alphabet Series Reasoning?

In the IBPS PO, SO, SBI, and RBI examinations, the first category of questions is centred on identifying an alphabet sequence. You’ll have to fill in the blanks alphabetically by finding the omitted phrase or components. There will be an alphabetical issue for the remainder of the questions that you will need to answer. These kinds of questions may be problematic because they seem simple at first, but they can lead to a lot of trouble if you look at them closely.

Let’s have a look at this:

The following is an alphabetical list: ABCDEFG BC. Please note that the number of characters before and after each element is an essential consideration while following the laws of sequence (i.e., each element is presented in the question both before & after).

The alphabet test: basics & tricks

Identifying a letter in alphabetical order to the left or right of another letter in alphabetical order is the focus of this sort of question. Other times, the question asks for the number of English letters found between a pair of letters.

Depending on the alphabetical sequence, letter series MCQ questions might be challenging to answer. Backward, first half back, second half backward, several letter segments in a different sequence, etc., are all examples of backward spelling. Some of the questions ask for the middle letter between two specified letters, while others ask which letters remain in their original positions following an alphabetic re-arrangement.

With that, here is a complete explanation with examples:

First, put the letters in the correct order

Using the direction of the question, the correct letter must be discovered. This sort of inquiry may be better understood if you look at the example given below.

A different approach

The 11th letter of the English alphabet is ((20-11)th letter from the left=9)th letter from the left=I in the alphabet.

A place where letters are arranged in reverse order

As a result of these inquiries, the sequence of letters is reversed, or they are numbered from Z to A and then asked where the letter is located.

When the first half of a letter is reversed, where should it go?

These questions ask you to invert half of the alphabetical sequence. There are no changes made to any of the others. Therefore questions relevant to M’s position are asked in the opposite Sequence of A to A.

Where should it go when the second half of a letter is in reverse order?

Such questions reverse the second half, i.e., from N to Z, and the rest of the alphabet is retained, and then questions about the alphabet’s position are asked.

Backward Order of Multiple Letter Segments

There is no specific sequence of change in alphabetical order in such queries. Instead, they are altered in response to a specific question’s circumstance.

What will the 7th letter to the left of the 8th letter from the right be if the first four letters of the English alphabet have been written in reverse order?

In the middle of two letters, the number of letters is six.

In this specific kind, the question asks to compute the total number of English letters between any two given letters as indicated in the question.

Between two letters, there is a middle letter.

The middle letter of the two stated letters in the English alphabet must be found in these sorts of problems.

After arranging alphabetically, the alphabet remains in the same position.

This inquiry asks how many letters of a word stay in the exact location if they are ordered alphabetically.

Is Alphabet Series Reasoning Important?

The significance is multifaceted.

To identify the absence of a word, it’s usually simple to recognize the wrong word in a sequence, but it’s not so easy to look at all the parts and discover the missing ones in an alphabet series. This may be useful when questioned about the lack of words in a sequence or alphabet series.

When solving issues, you may use the same reasoning to tackle every problem involving a specific letter sequence since the basic pattern behind any alphabet series is always the same.

Using ABCDEFG BC as an example of an alphabet series, What if you were asked how many consonants it had? (without giving the number for A, B, and C). It would help if you first attempted to figure out what we’re doing to solve this situation.

There are two components to go from C (CD) to D (CD). Finally, we have three items from D to DE (DE) in the sequence.

There are three components between E and F (EF) in the second stage.

DE and EF contact each other, and so does EF. Thus the number of elements from F to G (FG) should be equal to BC, which is accurate since DE and FG are both outside these two elements.

Once you’ve learned the principles of Alphabet Series Reasoning, you may use the above strategy to answer these kinds of questions logically.


The Alphabet Series Reasoning is founded on the idea of letters and their sequences. The pattern of these sequences may be used to address problems when you are asked about a specific alphabet series or sequence, and you will be able to solve these questions exceptionally quickly.