Coding Decoding Questions - Free PDF with Answers

What is coding decoding in reasoning?

Coding and Decoding is used to encode words, numbers, letters, or a combination of the three in specified patterns or codes, using set rules and guidelines.
Coding: Coding is the process of encoding a word, letter, number, or combination of the three in a specific code or pattern that follows a set of rules.
Decoding: Decoding is the procedure used to restore patterns to their original forms once they have been coded.

How many types of coding decoding questions are there?

Coding and Decoding may be classified into five types:

1. Letter Coding

2. Number Coding

3. Substitution Coding

4. Deciphering Coding

5. Symbol Coding

Is coding decoding easy?

The weightage of questions asked from coding and decoding topic is mostly between 4 - 6 marks. Though they might seem time consuming, they are easy to solve once you understand the basic concepts and logics behind it.

What are the tricks to learn opposite letters in Letter Coding?

Tricks to learn opposite letters in English alphabetical series to master Letter Coding -

A (1) – Z (26): AbuzZ
B (2) – Y (25): BoY
C (3) – X (24): CraX
D (4) – W (23): DeW
E (5) – V (22): EVe
F (6) – U (21): FUll
G (7) – T (20): GoT
H (8) – S (19): HiS
I (9) – R (18): IReland
J (10) – Q (17): Jungle Queen
K (11) – P (16): Kacha Papad
L (12) – O (15): LOve
M (13) – N (14): MaN

Also, sum of the positional values of all the opposite letters is 27.

How can I solve letter coding questions quickly?

There are a few tricks to learn the positional value of each letter, so that you can quickly solve letter coding questions. The positional values of A, B, C, D are 1, 2, 3, 4 respectively while the positional values of X, Y, & Z are 24, 25 & 26 respectively.

The positional values of EJOTY are based on the multiples of 5.

E - 5, J - 10, O - 15, T - 20, Y - 25

All the letters tell their positional values themselves.
F (6): Read me by inverting my shape, I look like the digital form of 6
G (7): I carry my place value in my tail which is 7
H (8): Read me by putting straight horizontal lines up and down.
I (9): If you write me in cursive form, I will look similar to a number that is 9.
K (11): I am a team that is Kings XI Punjab
L (12): I look like a 2.
M (13): M and W look like numerical value 3 but M comes first, its place value is, 13, and W’s place value is 23.
N (14): Read me by putting horizontal lines up and down, I will look like 4 of numbers, put X before me and I will become XIV which is 14.
P (16): Read me by inverting me horizontally and putting 1 before me I will become 6 so, my place value is 16.
Q (17): I also carry my place value in my tail but put 1 before it, which becomes 17.
R (18): Read me by putting an arc and put 1 before me which becomes 18.
S (19): Stretch my upper curve downwards, it looks like 9, and put 1 before me which becomes 19.
U (21): Uth (Youth) comes at the age of 21.
V (22): V is formed by 2 slating lines similarly its place value has 2 two's which is 22.
W (23): Mentioned above at M (13).