CODING DECODING

Coding involves representing English alphabets with other symbols so as to

hide the correct meaning. Coding has two main type of questions. i. e.

Letter Coding and Word Coding Letter Coding:

In Letter coding, an English word and its corresponding code are given. While

there is a one-to-one relationship between the given letters, the kind of

relationship is certainly not fixed.

1. Letter Movement

2. Direct Coding

3. Reverse Coding

Alphabet Numbers

Opposite Letters

Sample Coding

Sample Pattern

Examples

In a certain language PRACTICE is coded as PICCTRAE, how is

FLAMES coded in that code ?

Solution:

PRACTICE = PICCTRAE.

First and last letters are same but second and third letters and third last and second

last letters have been interchanged.

So,

FLAMES = FMELAS.

If HARD is coded s 1357 and SOFT is coded as 2468, what do the

figures 21448 stand for ?

Solution:

H = 1

A = 3

R = 5

D = 7

S = 2

O = 4

F = 6

T = 8.

Hence,

21448 = SHOOT.

If TOUR is coded as 1234, CLEAR is coded 56784 and SPARE as

90847, how will the word SCULPTURE be coded ?

Solution:

T = 1

O = 2

U = 3

R = 4

C = 5

L = 6

E = 7

A = 8

S = 9

P = 0.

Hence, SCULPTURE = 953601347

If ERASER is called PENCIL and PENCIL is called SHARPENER and

SHARPENER is called BAG, what will a child write with ?

Solution:

A child writes with the Pencil and Pencil is called Sharpener. So the child

writes with Sharpener.

If LIGHT is called MORNING, MORNING is called DARK, DARK is

called NIGHT, NIGHT is called SUNSHINE and SUNSHINE is called

DUSK, when do we sleep ?

Solution:

We sleep at Night and Night is called Sunshine. So, we sleep in Sunshine.

Coding Decoding [ Formulas + Notes ]

Curriculum

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Coding Decoding [ Formulas + Notes ]

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