CODING DECODING

A coding-decoding is a type of code that need to be deciphered to get the final message. The codes are based on various principles and patterns. In order to identify the pattern, we will consider all possible arrangements or orders that will provide the methodology to solve the coding-decoding questions. Some common types of relationships are asked in the exam:

1. Opposite pair letter codes
2. Letter coded with some other letter
3. Substitution
4. Identify messages from codes
5. Numerical values assigned to words
6. Letters interchanging with each other
7. If then coding
8. The meaning of the words changed
9. Addition of the place values of the letters

Below we are going to share some types of examples to explain it,

Opposite pair of letters:

If, in a certain code, EDITION is written as VWRGRLM, which word would be coded as SLMVHGB?

A. HAUGHTY          B. HONESTY

C. EDITORS          D. AMNESTY

Ans. B

Sol.: The letters of the word are coded with the opposite letter. As

       EDITION

       VWRGRLM

       Similarly,

       S L M ∨ H G B

       HONESTY

       Hence, the correct option is B

       Letter Coded with some other letter

Identify messages from codes:

If "@ \&#\%!" is the code for DREAM and “@ $97#” is the code for DUKE, then what is the code for KUMAR?

A. 7#!%&          B. 79! %@

C. 79!#&          D. 79!%&

Ans. D

Sol.: Code corresponding to each letter:

          The answer is 79! %&. Numerical values assign to words

Letters interchanging with each other:

In a code language, SELECTION is written as ESELDITNO. How will NOSTALGIA be written in the same language?

A. ONTSBGLAI          B. ONTSZGLAI

C. NOTSBLG          D. ONSTBGLAI

Ans. A

Sol.:

Similarly,

Hence, ONTSBGLAI will be the coding.

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