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CET 12th Level — Coding-Decoding MCQs

Practice 20 free coding-decoding multiple choice questions for CET 12th Level exam. Instant answers with explanations in Hindi and English.

Master Coding-Decoding under Mental Ability for CET 12th Level with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

CET 12th Level — Mental Ability — Coding-Decoding

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

What is the primary operational utility of converting a meaningful message into a coded, obscure format?

Question 2 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 3 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 4 of 20

In a certain code language, if a word is coded by taking the 5th, 4th, and 3rd letters of the original word in sequence, how will the corresponding word be coded? (Based on pattern resulting in IMR)

Question 5 of 20

In a certain code language, TIGER is written as QDFHS. How will the given word be written in that code language? (Resulting in MDYNQE)

Question 6 of 20

In a certain code language, a word follows the pattern where the first letter is shifted by +1, the second letter remains the same, the third by +1, and so on. Following this rule, what will be the correct code?

Question 7 of 20

Find the odd one out from the given letter groups based on the difference between the letters.

Question 8 of 20

In a certain coded language, specific words are coded as 'a', 'e', 'w' and 'plo'. Using common word coding, what is the code for 'he'?

Question 9 of 20

Find the odd one out from the given animals.

Question 10 of 20

In a specific code language, if the positions of letters in a 6-letter word (123456) are rearranged in the order 614325, what will be the coded word?

Question 11 of 20

In a coded language, '5' stands for 'black' and '6', '7' stand for 'tall', 'men'. What does 'one' stand for in this language?

Question 12 of 20

In a certain code language, if the code for 'race' is 'spadi' and 'car' is a new word introduced in the sentence, which of the following could be the code for 'race car'?

Question 13 of 20

In a certain code language, GOAL is written as BPMH. How will the given word be written in that code?

Question 14 of 20

In a certain code language, '4' means 'good' and '7' means 'picture'. In the same code language, what is the code for 'see'?

Question 15 of 20

In a certain code language, if each letter of a word is shifted forward by 1 (+1 pattern), what will be the correct coded string?

Question 16 of 20

In a certain code language, t=2, e=6, r=3, k=5, s=1, and i=8. The codes for 'a' and 'n' can be either 7 or 9. What will be the exact code for the word 'nik'?

Question 17 of 20

In a certain code language, a specific word is coded by shifting each letter forward by 3 (+3 pattern). Following the same rule, which option represents the correct code?

Question 18 of 20

If in a certain language, 3=M, 8=A, 9=D, 4=U, 7=R, 1=I, 5=G, and another code gives 4=L, 7=K, what will be the code for 38547?

Question 19 of 20

Find the odd one out by rearranging the jumbled letters: OGMAN, EGNARO, ANANAB, ENIMSJA.

Question 20 of 20

In a certain code language, letters are mapped directly as follows: R=U, E=T, A=V, D=D, S=A. What will be the code for the word READS?

More Mental Ability Subtopics

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