Coding-Decoding(Reasoning) Mock Test 01

CODING-DECODING is an important part of Logical reasoning section in all aptitude related examinations. 
Coding is a process used to encrypt a word, a number in a particular code or pattern based on some set of rules. 
Decoding is a process to decrypt the pattern into its original form from the given codes. 

Letter Coding In this type of questions, alphabets of a word are replaced by some other alphabets according to specific rule to form code. 

Number Coding In this type of questions, a word is replaced by certain numbers according to some specific rule. 

Example: If BROWN is written as ‘ZPMUL’, then VIOLET is coded as     

• TGMJCR
• SGMJCQ
• TGMJCQ
• TGWCQ

Answer: In this question, the alphabet is replaced with another alphabet with some directions. The first letter B is coded as Z means that it moves backward with 1 letter similarly R is coded as P, O is coded as M,W is coded as U, and N is coded as L. So VIOLET is coded as TGMJCR.