Coding-Decoding MCQs for CET Graduate
Practice 20 free coding-decoding multiple choice questions for CET Graduate exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.
Master Coding-Decoding under Mental Ability for CET Graduate with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.
CET Graduate — Mental Ability — Coding-Decoding
20 Questions • Instant results & explanations • Hindi & English
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Question 1 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 2 of 20
Assertion (A): In coding puzzles, replacing 'A' with 'E' and 'P' with 'T' indicates a coding method based on shifting letters. Reason (R): The letters are being shifted forward by subtracting their positional values.
Question 3 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 4 of 20
Consider a two-step coding process: First, find the opposite letter, then find its forward numerical position. What is the code for the letter 'C' under this system?
Question 5 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 6 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 7 of 20
If the word 'RAM' is coded as '18-1-13', what is the specific rule applied in this coding system?
Question 8 of 20
Which of the following best describes the relationship between 'Coding' and 'Decoding'?
Question 9 of 20
In the reverse alphabetical numerical coding system, what is the numerical value assigned to the letter 'X'?
Question 10 of 20
Assertion (A): If the word 'RAM' is coded strictly using forward alphabetical positions as '18-1-13', then the word 'MAT' must be coded as '13-1-20'. Reason (R): In strict forward alphabetical coding, each letter is uniformly replaced by its exact sequential integer starting from A=1.
Question 11 of 20
Which of the following is NOT a standard method of coding discussed in basic reasoning?
Question 12 of 20
Why is the strategy of memorizing specific coding rules (e.g., A always equals 1) generally considered completely useless by examination experts?
Question 13 of 20
Match List-I (Alphabetical ranges) with List-II (Numerical positions) for standard forward coding: List-I P. First three letters Q. Letters E, F, G R. Letters U, V, W S. Last three letters List-II 1. 24, 25, 26 2. 5, 6, 7 3. 1, 2, 3 4. 21, 22, 23
Question 14 of 20
Consider the following statements regarding the prerequisites for a successful encrypted communication: I. The sender must convert meaningful text into an obscure format using a specific predefined rule. II. The receiver must know the exact same predefined rule to accurately retrieve the original information. Which of the statements is/are correct?
Question 15 of 20
Assertion (A): The most crucial step in solving a coding-decoding problem is identifying the specific rule used to alter the information. Reason (R): Coding rules are universal and strictly follow the forward alphabetical numerical sequence.
Question 16 of 20
If a decoding program is fed the sequence '@@$$' and operates using the substitution key (A=$, R=@), what meaningful output will the program generate?
Question 17 of 20
What is the fundamental purpose of the process known as 'coding'?
Question 18 of 20
What does the process of 'decoding' strictly involve?
Question 19 of 20
What is the primary operational utility of converting a meaningful message into a coded, obscure format?
Question 20 of 20