# How to Solve Alphabet Series Problems -Tips & Tricks

## How to Solve Alphabet Series Problems -Tips & Tricks

Alphabet Series is a very important and scoring topic in any competitive Exam. Two or three questions from alphabetic series is there in every exam. In such questions of alphabetic series, if the question consists of a single alphabet series, then you have to solve the logic implied in the sequence. Then fill in the missing character with a correct choice.

#### Remember all the alphabets and their place number ,You can even note down during your exam.

 A 1 26 B 2 25 C 3 24 D 4 23 E 5 22 F 6 21 G 7 20 H 8 19 I 9 18 J 10 17 K 11 16 L 12 15 M 13 14 N 14 13 O 15 12 P 16 11 Q 17 10 R 18 9 S 19 8 T 20 7 U 21 6 V 22 5 W 23 4 X 24 3 Y 25 2 Z 26 1

### There are 26 letters in English alphabets.

The first half of alphabet series is from A to M and the half is from N to Z.

• A-M – 1-13 (First Alphabetical Half)
• N-Z –14-26 (Second Alphabetical Half)

So if you remember these intervals,It would be helpful in solving alphabet series problems.

## Various types of Alphabetical series

### Type – I: ALPHABET SERIES

Increasing by a definite number

• For Example: IJKL? ( each letter increases by 1)
• AGMSY? ( each letter increases by 6 place to its right position)

Decreasing by a definite number

• For Example: ZXVTRP ? ( each letter decreases by 2 places to its left )

Increasing successively

•  For Example: DEGJNS? ( +1,+2,+3,+4,+5)

Decreasing successively

• For Example: ZYWTP ( -1,-2,-3,-4 ..)
• ZTOKHFE ( -6,-5,-4,-3,-2,-1)

Decreasing and Increasing by a constant value.

• For Example: DFCEBDACZ (+2,-3,+2,-3,…)

### TYPE-II : ALPHANUMERIC SERIES

Example-1: Z1A, X2D,V6G,T21J,R88M, P445P,?

• First letter: ZXVTRP (-2,-2,-2,…..)
• Second letter: ADGJMP ( +3, +3,+3,…)
• Series of numerals: 1,2,6,21,88,445 ( x1+1, x2+2, x3+3…)
• So next term is N2676S.
Example-2: 2Z5,7Y7,14X9,23W11,34V13,?

• First numeral- 2,7,14,23,34 (+5,+7,+9,+11..)
• Second letter- ZYXWV ( decreases by 1 each time)
• Third numeral- 5,7,9,11,13 ( increases by 2 each time)
Example-3 : W-144 , U-121, S-100, Q-81,?

• First letter- decreases by 2 each time
• Second numeral- square of 12,11,10,9,8..

### TYPE-III : CONTINUOUS PATTERNS SERIES

Example-1 : ab_ _ baa_ _ ab_

• Options: i) aaaaa ii) aabaa iii) caabab iv) baabb
• Solution: our answer is ii) . Here series aba is repeated
Example-2 :ab_aa_bbb_aaa_bbba

• Options: i) abba ii) baab iii) aabb iv) abab
• Solution: our answer is ii) . The series is abb/aaabbb/aaaabbbb/a. Thus the letter are repeated twice , then thrice , then four times and so on .

Example.3 – _bc_ca_aba_c_ca

• Options i)abcbb ii)bbbcc iii)bacba iv)abbcc
• Solution: our answer is i) . The series is abc/bca/cab/abc/bca. Thus the letter change in cyclic order .

Example.4- _c_bd_cbcda_a_db_a

• Options: i) adabcd ii) bdbcba iii) cdbbca iv)daabbc
• Solutions: our answer is i). The series is acdb/dacb/cdab/acdb/da. Each group of four letters contains the letters of the previous group in the order – third , first , second and fourth.

Example.5:- a_bb_baa_bbb_aa_

• Options: i) aabba ii) bbaab iii)abaaa iv)baabb
• Solutions: our answer is iii). The series is aabbbb/aaabbb/aaaa. At each step , the number of a’s increases by one while the number of b’s decrease by one.

### IBTS INSTITUTE

India's Leading Institution for Competitive Exams in Chandigarh visit www.ibtsindia.com