Formulas For Letter And Symbols Series

Formulas For Letter And Symbols Series:

Here, on this page Letter and Symbols Series Formulas is given to the questions easily and quickly.

Many Questions are asked from this Topic that’s why we need to Understand this Topic in  a better way. Alphabets are arranged from 1 to 26 or also Possibly in reverse direction.
In Letter Series there are both Consonants and Vowels.

Formulas for Letter and Symbol Series

Letter and Symbol series Formulas & Rules to Follow:


Based on the position of English alphabets, questions are framed under this topic. To solve letter and series problems students need to first understand the positions of the alphabets so that they can solve each and every question quickly and in an easy way. There are various types under this reasoning topic. Let’s discuss all those to know the topic thoroughly.

1. Position of letters in English

Alphabets 1 to 26

2. Concept of EJOTY:

The second concept to understand the position of alphabets without any efforts in EJOTY. Anyone can easily find out the position by remembering this rule. But it is advisable that you learn the positions of different letters in the alphabet.

Formulas of Vowel

For instance, if we need to check the 14th letter from the left side of the alphabet. We already know that the 15th letter from the left-hand side is O, now we want to find letter before O and that is N. Remembering the positions of letters is a key to quickly crack this kind of questions.

3. Position number of letters in reverse form:

Alphabets 26 to 1

4. Alpha-Numeric Sequence:

A disorderly arrangement of few letters, numbers, and symbols will be there in these Alpha-numeric sequence questions. However, occasionally English alphabets from A to Z are given simply.

Letter Series Question and Answers 

Question 1 :

In a certain code ‘365’ is written as ‘698’. How will ‘264’ be written in this code?



365 – > 698

After Observing we see Each digit increases by 3

so 264 ->  597

Question 2 :

If PREPINSTA is written as KIVKRMHGZ, then what is written as ARSENAL?

D)None of the above


As KIVKRMHGZ is reverse alphabetical order of PREPINSTA, similarly ZIHVMZO will be reverse alphabetical of ARSENAL.
Reverse alphabetical will as
And so on.

Question 3 :

Find the missing terms
BDFH, JLNP , _ _ _ , ZBDF



In this series, the first letter “B” moves two positions forward to become “D”, the second letter “D” moves two positions forward to become “F”, and so on.

Question 4 :

Find the next term in the given series , A3PQ, C6TU, E9XY, _ _ _



In this series, the first letter “A” moves two positions forward to become “C”, and numbers are multiple of “3”. Then, the next three pairs of letters follow the pattern of moving two positions forward and then two positions forward respectively.

Question 5 :

Choose the most appropriate answer from the given options
ABC , CDG, GHO , ?



In ABC position of A + position of B = Position of C
In CDG position of C + position of D = Position of G
In GHO position of G + position of H = Position of O
In DEI position of L + position of M = Position of Y

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