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Patwari — Coding-Decoding MCQs

Practice 20 free coding-decoding multiple choice questions for Patwari exam. Instant answers with explanations in Hindi and English.

Master Coding-Decoding under Mental Ability for Patwari with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

Patwari — Mental Ability — Coding-Decoding

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Which of the following best describes the relationship between 'Coding' and 'Decoding'?

Question 2 of 20

In the context of opposite letter coding, which letter represents the opposite pair for 'D'?

Question 3 of 20

If a coding system substitutes words such that 'Cloud' is called 'White', 'White' is called 'Sky', 'Sky' is called 'Blue', 'Blue' is called 'Black', and 'Black' is called 'Green', what is the color of an elephant in this system?

Question 4 of 20

If a symbolic coding rule is established where A = $, B = *, R = @, and M = %, what will be the decoded meaning of the string '@$%'?

Question 5 of 20

If 'RAM' is coded as '@$%' and 'M' is represented by '%', what can be logically deduced about the code for 'MAR'?

Question 6 of 20

What is the fundamental characteristic of the output generated by the 'Coding' process?

Question 7 of 20

In the standard forward alphabetical coding system, if 'M' equals 13 and 'D' equals 4, what is the numerical value of 'M minus D', and which letter does that resulting value represent?

Question 8 of 20

Assertion (A): If a coding logic dictates that A becomes E and C becomes G, then the letter M will logically be coded as Q. Reason (R): The applied coding logic consistently shifts the original letter forward by exactly 4 alphabetical positions.

Question 9 of 20

Consider the coding sequence where A is coded as E, P is coded as T, and C is coded as G. What specific transformation rule is being applied here?

Question 10 of 20

Which of the following scenarios perfectly illustrates the process of 'Decoding'?

Question 11 of 20

Assertion (A): In opposite letter coding, the sum of the standard forward numerical positions of a paired letter combination is always 27. Reason (R): 'C' and 'X' form an opposite letter pair in the English alphabet.

Question 12 of 20

In a defined word substitution cipher: 'Cloud' translates to 'White', 'White' translates to 'Sky', 'Sky' translates to 'Blue', 'Blue' translates to 'Black', and 'Black' translates to 'Green'. If an individual wants to refer to the color of milk in this coded environment, which word must they use?

Question 13 of 20

What is the specialized term for the cognitive and systematic process of converting a seemingly arbitrary numerical sequence like '20-1-14-21' back into the meaningful name 'TANU'?

Question 14 of 20

In word substitution, if 'Blue' is coded as 'Black', and 'Black' is coded as 'Green', what is the actual, un-coded color of the sky?

Question 15 of 20

Consider the following statements regarding the rules of coding: I. It is highly useful to memorize all coding rules in advance to solve questions. II. Every coding question typically employs a distinct and unique rule. Which of the statements is correct?

Question 16 of 20

Using a defined word substitution sequence where 'Cloud' is 'White', 'White' is 'Sky', 'Sky' is 'Blue', 'Blue' is 'Black', and 'Black' is 'Green', what is the coded color of the ocean?

Question 17 of 20

Consider the following statements regarding the shifting of letters (e.g., A -> E): I. It involves replacing a letter with another letter located at a specific forward or backward distance in the alphabet. II. It requires memorizing the word 'Cloud is White'. Which of the statements is correct?

Question 18 of 20

According to the fundamental principles of reasoning, why is an un-coded message vulnerable?

Question 19 of 20

What is the fundamental purpose of the process known as 'coding'?

Question 20 of 20

If a symbolic coding rule is given as A=S, B=R, and M=%, what does this signify?

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